[bot] Update release-v1.21.x from tektoncd/chains to a51457de691e0edb45a4588a8e0c85cfa9df16eb

[github-actions]

 .github/workflows/ci.yaml                          |  157 -
 .github/workflows/kind-e2e.yaml                    |   21 +-
 .github/workflows/lint.yaml                        |   55 +
 .github/workflows/reusable-e2e.yaml                |   43 +-
 .github/workflows/test-on-microshift.yaml          |    4 +-
 .yamllint                                          |   36 -
 Makefile                                           |  132 -
 cmd/controller/kodata/HEAD                         |    1 +
 cmd/controller/kodata/LICENSE                      |  202 +-
 cmd/controller/kodata/refs                         |    1 +
 docs/vendor/gcp/slsa-2/pipeline.yaml               |    2 +-
 examples/chains-deployment-keyless.yaml            |    8 +-
 examples/releases/v0.3.0-build-chains-taskrun.yaml |    2 +-
 .../pipeline-with-object-type-hinting.yaml         |    2 +-
 .../v2alpha4/pipeline-with-repeated-results.yaml   |    2 +-
 .../v2alpha4/task-with-object-type-hinting.yaml    |    4 +-
 go.mod                                             |   50 +-
 go.sum                                             |  104 +-
 test/e2e-common.sh                                 |    6 +-
 test/testdata/spire.yaml                           |   28 +-
 test/testdata/vault.yaml                           |   21 +-
 vendor/cel.dev/expr/BUILD.bazel                    |    1 +
 vendor/cel.dev/expr/MODULE.bazel                   |   22 +-
 vendor/cel.dev/expr/checked.pb.go                  |  Bin 36822 -> 50576 bytes
 vendor/cel.dev/expr/eval.pb.go                     |  Bin 13095 -> 15803 bytes
 vendor/cel.dev/expr/explain.pb.go                  |  Bin 6035 -> 7792 bytes
 vendor/cel.dev/expr/syntax.pb.go                   |  Bin 42823 -> 58718 bytes
 vendor/cel.dev/expr/value.pb.go                    |  Bin 15583 -> 20879 bytes
 .../cncf/xds/go/udpa/annotations/migrate.pb.go     |   86 +-
 .../xds/go/udpa/annotations/migrate.pb.validate.go |    6 +-
 .../cncf/xds/go/udpa/annotations/security.pb.go    |   50 +-
 .../go/udpa/annotations/security.pb.validate.go    |    2 +-
 .../cncf/xds/go/udpa/annotations/sensitive.pb.go   |   27 +-
 .../cncf/xds/go/udpa/annotations/status.pb.go      |   60 +-
 .../xds/go/udpa/annotations/status.pb.validate.go  |    2 +-
 .../cncf/xds/go/udpa/annotations/versioning.pb.go  |   43 +-
 .../go/udpa/annotations/versioning.pb.validate.go  |    2 +-
 .../cncf/xds/go/udpa/type/v1/typed_struct.pb.go    |   38 +-
 .../go/udpa/type/v1/typed_struct.pb.validate.go    |    2 +-
 .../cncf/xds/go/xds/annotations/v3/migrate.pb.go   |   87 +-
 .../go/xds/annotations/v3/migrate.pb.validate.go   |    6 +-
 .../cncf/xds/go/xds/annotations/v3/security.pb.go  |   51 +-
 .../go/xds/annotations/v3/security.pb.validate.go  |    2 +-
 .../cncf/xds/go/xds/annotations/v3/sensitive.pb.go |   27 +-
 .../cncf/xds/go/xds/annotations/v3/status.pb.go    |   96 +-
 .../go/xds/annotations/v3/status.pb.validate.go    |    8 +-
 .../xds/go/xds/annotations/v3/versioning.pb.go     |   43 +-
 .../xds/annotations/v3/versioning.pb.validate.go   |    2 +-
 .../cncf/xds/go/xds/core/v3/authority.pb.go        |   35 +-
 .../xds/go/xds/core/v3/authority.pb.validate.go    |    2 +-
 .../github.com/cncf/xds/go/xds/core/v3/cidr.pb.go  |   45 +-
 .../cncf/xds/go/xds/core/v3/cidr.pb.validate.go    |    2 +-
 .../cncf/xds/go/xds/core/v3/collection_entry.pb.go |   64 +-
 .../go/xds/core/v3/collection_entry.pb.validate.go |    4 +-
 .../cncf/xds/go/xds/core/v3/context_params.pb.go   |   44 +-
 .../go/xds/core/v3/context_params.pb.validate.go   |    2 +-
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 .../go/xds/core/v3/resource_name.pb.validate.go    |    2 +-
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 .../data/orca/v3/orca_load_report.pb.validate.go   |    2 +-
 .../cncf/xds/go/xds/service/orca/v3/orca.pb.go     |   54 +-
 .../xds/go/xds/service/orca/v3/orca.pb.validate.go |    2 +-
 .../xds/go/xds/service/orca/v3/orca_grpc.pb.go     |    2 +-
 .../cncf/xds/go/xds/type/matcher/v3/cel.pb.go      |   43 +-
 .../xds/go/xds/type/matcher/v3/cel.pb.validate.go  |    2 +-
 .../cncf/xds/go/xds/type/matcher/v3/domain.pb.go   |   55 +-
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 .../xds/go/xds/type/matcher/v3/http_inputs.pb.go   |   32 +-
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 .../cncf/xds/go/xds/type/matcher/v3/ip.pb.go       |   59 +-
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 .../go/xds/type/matcher/v3/string.pb.validate.go   |    4 +-
 .../github.com/cncf/xds/go/xds/type/v3/cel.pb.go   |   83 +-
 .../cncf/xds/go/xds/type/v3/cel.pb.validate.go     |    4 +-
 .../github.com/cncf/xds/go/xds/type/v3/range.pb.go |   48 +-
 .../cncf/xds/go/xds/type/v3/range.pb.validate.go   |    6 +-
 .../cncf/xds/go/xds/type/v3/typed_struct.pb.go     |   37 +-
 .../xds/go/xds/type/v3/typed_struct.pb.validate.go |    2 +-
 .../envoy/config/bootstrap/v3/bootstrap.pb.go      | 1111 +++---
 .../config/bootstrap/v3/bootstrap.pb.validate.go   |   46 -
 .../config/bootstrap/v3/bootstrap_vtproto.pb.go    |   51 -
 .../common/mutation_rules/v3/mutation_rules.pb.go  |  521 ---
 .../v3/mutation_rules.pb.validate.go               |  711 ----
 .../mutation_rules/v3/mutation_rules_vtproto.pb.go |  457 ---
 .../envoy/config/core/v3/address.pb.go             |    4 +
 .../envoy/config/core/v3/config_source.pb.go       |    5 +-
 .../envoy/config/core/v3/grpc_service.pb.go        |  555 ++-
 .../config/core/v3/grpc_service.pb.validate.go     |   68 -
 .../config/core/v3/grpc_service_vtproto.pb.go      |   36 -
 .../envoy/config/core/v3/health_check.pb.go        |    6 +-
 .../envoy/config/core/v3/protocol.pb.go            |  759 +++--
 .../envoy/config/core/v3/protocol.pb.validate.go   |    5 +-
 .../envoy/config/core/v3/proxy_protocol.pb.go      |  160 +-
 .../config/core/v3/proxy_protocol.pb.validate.go   |   34 +-
 .../config/core/v3/proxy_protocol_vtproto.pb.go    |   14 -
 .../envoy/config/endpoint/v3/load_report.pb.go     |    6 +-
 .../config/listener/v3/listener_components.pb.go   |    2 +-
 .../envoy/config/metrics/v3/stats.pb.go            |  135 +-
 .../envoy/config/metrics/v3/stats.pb.validate.go   |   26 +-
 .../envoy/config/metrics/v3/stats_vtproto.pb.go    |   14 -
 .../envoy/config/overload/v3/overload.pb.go        |  166 +-
 .../envoy/config/route/v3/route_components.pb.go   | 3588 +++++++++-----------
 .../route/v3/route_components.pb.validate.go       |  186 -
 .../config/route/v3/route_components_vtproto.pb.go |  139 -
 .../envoy/config/trace/v3/zipkin.pb.go             |  308 +-
 .../envoy/config/trace/v3/zipkin.pb.validate.go    |   53 +-
 .../envoy/config/trace/v3/zipkin_vtproto.pb.go     |   41 -
 .../v3/http_connection_manager.pb.go               | 1456 ++++----
 .../v3/http_connection_manager.pb.validate.go      |   40 +-
 .../v3/http_connection_manager_vtproto.pb.go       |   16 -
 .../v3/client_side_weighted_round_robin.pb.go      |  165 +-
 ...client_side_weighted_round_robin.pb.validate.go |   29 -
 .../client_side_weighted_round_robin_vtproto.pb.go |   33 -
 .../load_balancing_policies/common/v3/common.pb.go |  154 +-
 .../common/v3/common.pb.validate.go                |    2 -
 .../common/v3/common_vtproto.pb.go                 |    8 -
 .../envoy/type/matcher/v3/value.pb.go              |    2 +-
 .../envoyproxy/protoc-gen-validate/validate/BUILD  |    4 +-
 vendor/github.com/go-jose/go-jose/v4/asymmetric.go |   10 +-
 .../go-jose/go-jose/v4/cipher/key_wrap.go          |   10 +-
 vendor/github.com/go-jose/go-jose/v4/symmetric.go  |   26 +-
 .../pipeline/pkg/apis/pipeline/pod/template.go     |   15 -
 .../pkg/apis/pipeline/pod/zz_generated.deepcopy.go |    5 -
 .../pkg/apis/pipeline/v1/container_validation.go   |    6 +-
 .../pkg/apis/pipeline/v1/openapi_generated.go      |    7 -
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 .../pkg/apis/pipeline/v1beta1/task_validation.go   |    5 +-
 .../resolver/framework/cache/annotated_resource.go |   20 +-
 .../resolver/framework/cache/cache.go              |  137 +-
 .../resolver/framework/cache/clock.go              |    8 +
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 .../resolver/framework/cache/operations.go         |   26 +
 vendor/github.com/tektoncd/pipeline/test/README.md |  124 +-
 .../github.com/tektoncd/pipeline/test/e2e-tests.sh |    2 +-
 .../tektoncd/pipeline/test/multiarch_utils.go      |   20 +-
 .../tektoncd/pipeline/test/path_filtering.go       |    1 +
 vendor/github.com/tektoncd/pipeline/test/secret.go |    1 +
 vendor/github.com/tektoncd/pipeline/test/util.go   |    1 +
 .../contrib/detectors/gcp/version.go               |    2 +-
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 vendor/go.opentelemetry.io/otel/CONTRIBUTING.md    |  458 +--
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 vendor/go.opentelemetry.io/otel/README.md          |   11 +-
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 .../configbuilder.go                               |  249 +-
 .../configbuilder_childname.go                     |   63 +-
 .../xds/balancer/clusterresolver/logging.go        |   34 +
 .../balancer/clusterresolver/resource_resolver.go  |  322 ++
 .../clusterresolver/resource_resolver_dns.go       |  180 +
 .../clusterresolver/resource_resolver_eds.go       |  124 +
 .../xds/balancer/outlierdetection/balancer.go      |  107 +-
 .../balancer/outlierdetection/subconn_wrapper.go   |    5 +-
 .../internal/xds/balancer/priority/balancer.go     |   12 +-
 .../xds/balancer/priority/balancer_child.go        |   12 +-
 .../xds/balancer/priority/balancer_priority.go     |   25 +-
 .../internal/xds/balancer/wrrlocality/balancer.go  |   27 +-
 .../grpc/internal/xds/bootstrap/bootstrap.go       |   13 -
 .../xds/clients/internal/buffer/unbounded.go       |    1 -
 .../internal/xds/clients/xdsclient/ads_stream.go   |  216 +-
 .../internal/xds/clients/xdsclient/authority.go    |    4 +-
 .../grpc/internal/xds/clients/xdsclient/channel.go |   14 +-
 .../xds/clients/xdsclient/clientimpl_watchers.go   |   19 +-
 .../xds/clients/xdsclient/resource_watcher.go      |    3 -
 .../internal/xds/clients/xdsclient/xdsconfig.go    |   34 +-
 .../grpc/internal/xds/clusterspecifier/rls/rls.go  |    2 +-
 .../grpc/internal/xds/matcher/string_matcher.go    |  119 +-
 .../grpc/internal/xds/rbac/matchers.go             |   36 +-
 .../grpc/internal/xds/resolver/serviceconfig.go    |  127 +-
 .../grpc/internal/xds/resolver/watch_service.go    |   92 +
 .../grpc/internal/xds/resolver/xds_resolver.go     |  480 +--
 .../grpc/internal/xds/server/conn_wrapper.go       |   15 +-
 .../internal/xds/server/filter_chain_manager.go    |  414 ---
 .../grpc/internal/xds/server/listener_wrapper.go   |   66 +-
 .../grpc/internal/xds/server/rds_handler.go        |    6 +-
 .../grpc/internal/xds/server/routing.go            |  198 --
 vendor/google.golang.org/grpc/internal/xds/xds.go  |   22 -
 .../grpc/internal/xds/xdsclient/client.go          |    8 +-
 .../grpc/internal/xds/xdsclient/clientimpl.go      |   54 +-
 .../internal/xds/xdsclient/clientimpl_watchers.go  |   36 +
 .../grpc/internal/xds/xdsclient/resource_types.go  |    6 +-
 .../xdsclient/xdslbregistry/converter/converter.go |    2 +-
 .../xdsclient/xdsresource/cluster_resource_type.go |  110 +-
 .../xdsresource/endpoints_resource_type.go         |  103 +-
 .../xds/xdsclient/xdsresource/filter_chain.go      |  829 ++++-
 .../xdsresource/listener_resource_type.go          |   38 +-
 .../internal/xds/xdsclient/xdsresource/matcher.go  |   28 +
 .../internal/xds/xdsclient/xdsresource/metadata.go |   11 +-
 .../xds/xdsclient/xdsresource/resource_type.go     |  146 +-
 .../xdsresource/route_config_resource_type.go      |  104 +-
 .../internal/xds/xdsclient/xdsresource/type_eds.go |   11 +-
 .../internal/xds/xdsclient/xdsresource/type_lds.go |   24 +-
 .../internal/xds/xdsclient/xdsresource/type_rds.go |    3 -
 .../xds/xdsclient/xdsresource/unmarshal_eds.go     |   48 +-
 .../xds/xdsclient/xdsresource/unmarshal_lds.go     |  355 +-
 .../xds/xdsclient/xdsresource/unmarshal_rds.go     |   22 +-
 .../xds/xdsclient/xdsresource/xdsconfig.go         |  114 -
 .../xds/xdsdepmgr/xds_dependency_manager.go        | 1008 ------
 vendor/google.golang.org/grpc/mem/buffer_pool.go   |  160 +-
 vendor/google.golang.org/grpc/mem/buffers.go       |   65 +-
 vendor/google.golang.org/grpc/picker_wrapper.go    |    4 +-
 vendor/google.golang.org/grpc/resolver/map.go      |   34 -
 vendor/google.golang.org/grpc/resolver/resolver.go |    1 -
 vendor/google.golang.org/grpc/resolver_wrapper.go  |    1 -
 vendor/google.golang.org/grpc/rpc_util.go          |  115 +-
 vendor/google.golang.org/grpc/server.go            |   62 +-
 .../grpc/stats/opentelemetry/opentelemetry.go      |   97 -
 vendor/google.golang.org/grpc/stream.go            |   87 +-
 vendor/google.golang.org/grpc/version.go           |    2 +-
 vendor/google.golang.org/grpc/xds/server.go        |   78 +-
 vendor/modules.txt                                 |   73 +-
 380 files changed, 11632 insertions(+), 20646 deletions(-)