chore(deps): update module github.com/spf13/viper to v1.21.0

Author: renovate[bot]

go.mod

@@ -10,7 +10,7 @@ require (
 	github.com/kubernetes-csi/csi-test/v5 v5.4.0
 	github.com/shortlink-org/shortlink v0.0.0-20250531003000-510e6143a4d1
 	github.com/spf13/cobra v1.10.2
-	github.com/spf13/viper v1.20.1
+	github.com/spf13/viper v1.21.0
 	github.com/stretchr/testify v1.11.1
 	go.opentelemetry.io/otel/trace v1.39.0
 	golang.org/x/net v0.48.0
@@ -46,13 +46,13 @@ require (
 	github.com/envoyproxy/protoc-gen-validate v1.3.0 // indirect
 	github.com/exaring/otelpgx v0.9.0 // indirect
 	github.com/felixge/httpsnoop v1.0.4 // indirect
-	github.com/fsnotify/fsnotify v1.8.0 // indirect
+	github.com/fsnotify/fsnotify v1.9.0 // indirect
 	github.com/go-logr/logr v1.4.3 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/go-redis/cache/v9 v9.0.0 // indirect
 	github.com/go-sql-driver/mysql v1.9.2 // indirect
 	github.com/go-task/slim-sprig/v3 v3.0.0 // indirect
-	github.com/go-viper/mapstructure/v2 v2.2.1 // indirect
+	github.com/go-viper/mapstructure/v2 v2.4.0 // indirect
 	github.com/golang-migrate/migrate/v4 v4.18.2 // indirect
 	github.com/golang/mock v1.6.0 // indirect
 	github.com/golang/protobuf v1.5.4 // indirect
@@ -95,7 +95,7 @@ require (
 	github.com/onsi/ginkgo/v2 v2.23.0 // indirect
 	github.com/onsi/gomega v1.36.2 // indirect
 	github.com/ory/client-go v1.18.5 // indirect
-	github.com/pelletier/go-toml/v2 v2.2.3 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
 	github.com/pierrec/lz4/v4 v4.1.22 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/planetscale/vtprotobuf v0.6.1-0.20241121165744-79df5c4772f2 // indirect
@@ -111,13 +111,13 @@ require (
 	github.com/redis/rueidis/rueidiscompat v1.0.57 // indirect
 	github.com/redis/rueidis/rueidisotel v1.0.57 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
-	github.com/sagikazarmark/locafero v0.7.0 // indirect
+	github.com/sagikazarmark/locafero v0.11.0 // indirect
 	github.com/samber/lo v1.49.1 // indirect
 	github.com/sirupsen/logrus v1.9.3 // indirect
-	github.com/sourcegraph/conc v0.3.0 // indirect
-	github.com/spf13/afero v1.12.0 // indirect
-	github.com/spf13/cast v1.7.1 // indirect
-	github.com/spf13/pflag v1.0.9 // indirect
+	github.com/sourcegraph/conc v0.3.1-0.20240121214520-5f936abd7ae8 // indirect
+	github.com/spf13/afero v1.15.0 // indirect
+	github.com/spf13/cast v1.10.0 // indirect
+	github.com/spf13/pflag v1.0.10 // indirect
 	github.com/stretchr/objx v0.5.2 // indirect
 	github.com/subosito/gotenv v1.6.0 // indirect
 	github.com/syndtr/goleveldb v1.0.1-0.20220721030215-126854af5e6d // indirect