Fix exhaustive switch lint and tidy integration-tests modules

Add missing api.ConflictError and api.LimitExceededError cases to both
switch statements in handler.go. Run go mod tidy on integration-tests
and integration-tests/load.

Author: nadahalli

core/services/gateway/handlers/confidentialrelay/handler.go

@@ -380,6 +380,8 @@ func (h *handler) errorResponse(
 	case api.HandlerError:
 	case api.RequestTimeoutError:
 	case api.StaleNodeResponseError:
+	case api.ConflictError:
+	case api.LimitExceededError:
 	}
 
 	return gwhandlers.UserCallbackPayload{
@@ -415,6 +417,8 @@ func (h *handler) sendResponse(ctx context.Context, userRequest *activeRequest,
 		h.metrics.requestSuccess.Add(ctx, 1, metric.WithAttributes(
 			attribute.String("don_id", h.donConfig.DonId),
 		))
+	case api.ConflictError:
+	case api.LimitExceededError:
 	}
 
 	err := userRequest.SendResponse(resp)

integration-tests/go.mod

@@ -48,7 +48,7 @@ require (
 	github.com/smartcontractkit/chainlink-ccip v0.1.1-solana.0.20260317185256-d5f7db87ae70
 	github.com/smartcontractkit/chainlink-ccip/chains/solana v0.0.0-20260310183131-8d0f0e383288
 	github.com/smartcontractkit/chainlink-ccip/chains/solana/gobindings v0.0.0-20260310183131-8d0f0e383288
-	github.com/smartcontractkit/chainlink-common v0.11.0
+	github.com/smartcontractkit/chainlink-common v0.11.1-0.20260323163826-2c5b95089478
 	github.com/smartcontractkit/chainlink-common/keystore v1.0.2
 	github.com/smartcontractkit/chainlink-deployments-framework v0.86.3
 	github.com/smartcontractkit/chainlink-evm v0.3.4-0.20260320152158-2191d797b5ce
@@ -248,7 +248,7 @@ require (
 	github.com/felixge/httpsnoop v1.0.4 // indirect
 	github.com/ferranbt/fastssz v0.1.4 // indirect
 	github.com/fsnotify/fsnotify v1.9.0 // indirect
-	github.com/fxamacker/cbor/v2 v2.7.0 // indirect
+	github.com/fxamacker/cbor/v2 v2.9.0 // indirect
 	github.com/gabriel-vasile/mimetype v1.4.13 // indirect
 	github.com/gagliardetto/anchor-go v1.0.0 // indirect
 	github.com/gagliardetto/binary v0.8.0 // indirect
@@ -513,7 +513,7 @@ require (
 	github.com/smartcontractkit/chainlink-protos/chainlink-ccv/heartbeat v0.0.0-20260115142640-f6b99095c12e // indirect
 	github.com/smartcontractkit/chainlink-protos/chainlink-ccv/message-discovery v0.0.0-20251211142334-5c3421fe2c8d // indirect
 	github.com/smartcontractkit/chainlink-protos/chainlink-ccv/verifier v0.0.0-20251211142334-5c3421fe2c8d // indirect
-	github.com/smartcontractkit/chainlink-protos/cre/go v0.0.0-20260226130359-963f935e0396 // indirect
+	github.com/smartcontractkit/chainlink-protos/cre/go v0.0.0-20260320153346-314ec8dbe5a4 // indirect
 	github.com/smartcontractkit/chainlink-protos/linking-service/go v0.0.0-20251002192024-d2ad9222409b // indirect
 	github.com/smartcontractkit/chainlink-protos/node-platform v0.0.0-20260211172625-dff40e83b3c9 // indirect
 	github.com/smartcontractkit/chainlink-protos/orchestrator v0.10.0 // indirect

integration-tests/go.sum

@@ -27,7 +27,7 @@ require (
 	github.com/smartcontractkit/chainlink-ccip v0.1.1-solana.0.20260317185256-d5f7db87ae70
 	github.com/smartcontractkit/chainlink-ccip/chains/solana v0.0.0-20260310183131-8d0f0e383288
 	github.com/smartcontractkit/chainlink-ccip/chains/solana/gobindings v0.0.0-20260310183131-8d0f0e383288
-	github.com/smartcontractkit/chainlink-common v0.11.0
+	github.com/smartcontractkit/chainlink-common v0.11.1-0.20260323163826-2c5b95089478
 	github.com/smartcontractkit/chainlink-deployments-framework v0.86.3
 	github.com/smartcontractkit/chainlink-evm v0.3.4-0.20260320152158-2191d797b5ce
 	github.com/smartcontractkit/chainlink-testing-framework/framework v0.15.3
@@ -209,7 +209,7 @@ require (
 	github.com/felixge/httpsnoop v1.0.4 // indirect
 	github.com/ferranbt/fastssz v0.1.4 // indirect
 	github.com/fsnotify/fsnotify v1.9.0 // indirect
-	github.com/fxamacker/cbor/v2 v2.7.0 // indirect
+	github.com/fxamacker/cbor/v2 v2.9.0 // indirect
 	github.com/gabriel-vasile/mimetype v1.4.13 // indirect
 	github.com/gagliardetto/anchor-go v1.0.0 // indirect
 	github.com/gagliardetto/binary v0.8.0 // indirect
@@ -490,7 +490,7 @@ require (
 	github.com/smartcontractkit/chainlink-protos/chainlink-ccv/heartbeat v0.0.0-20260115142640-f6b99095c12e // indirect
 	github.com/smartcontractkit/chainlink-protos/chainlink-ccv/message-discovery v0.0.0-20251211142334-5c3421fe2c8d // indirect
 	github.com/smartcontractkit/chainlink-protos/chainlink-ccv/verifier v0.0.0-20251211142334-5c3421fe2c8d // indirect
-	github.com/smartcontractkit/chainlink-protos/cre/go v0.0.0-20260226130359-963f935e0396 // indirect
+	github.com/smartcontractkit/chainlink-protos/cre/go v0.0.0-20260320153346-314ec8dbe5a4 // indirect
 	github.com/smartcontractkit/chainlink-protos/job-distributor v0.18.0 // indirect
 	github.com/smartcontractkit/chainlink-protos/linking-service/go v0.0.0-20251002192024-d2ad9222409b // indirect
 	github.com/smartcontractkit/chainlink-protos/node-platform v0.0.0-20260211172625-dff40e83b3c9 // indirect