Bump github.com/sigstore/sigstore/pkg/signature/kms/gcp

Bumps [github.com/sigstore/sigstore/pkg/signature/kms/gcp](https://github.com/sigstore/sigstore) from 1.8.4 to 1.8.7.
- [Release notes](https://github.com/sigstore/sigstore/releases)
- [Commits](sigstore/sigstore@v1.8.4...v1.8.7)

---
updated-dependencies:
- dependency-name: github.com/sigstore/sigstore/pkg/signature/kms/gcp
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

go.mod

@@ -10,7 +10,7 @@ require (
 	github.com/containerd/containerd v1.7.20
 	github.com/go-git/go-git/v5 v5.12.0
 	github.com/google/go-cmp v0.6.0
-	github.com/google/go-containerregistry v0.19.2
+	github.com/google/go-containerregistry v0.20.0
 	github.com/google/uuid v1.6.0
 	github.com/hashicorp/errwrap v1.1.0 // indirect
 	github.com/hashicorp/go-multierror v1.1.1
@@ -25,8 +25,8 @@ require (
 	github.com/tektoncd/plumbing v0.0.0-20220817140952-3da8ce01aeeb
 	go.opencensus.io v0.24.0
 	go.uber.org/zap v1.27.0
-	golang.org/x/exp v0.0.0-20230515195305-f3d0a9c9a5cc
-	golang.org/x/oauth2 v0.20.0 // indirect
+	golang.org/x/exp v0.0.0-20240112132812-db7319d0e0e3
+	golang.org/x/oauth2 v0.21.0 // indirect
 	gomodules.xyz/jsonpatch/v2 v2.4.0
 	k8s.io/api v0.29.6
 	k8s.io/apimachinery v0.29.7
@@ -46,7 +46,7 @@ require (
 	github.com/google/go-containerregistry/pkg/authn/k8schain v0.0.0-20240108195214-a0658aa1d0cc
 	github.com/sigstore/sigstore/pkg/signature/kms/aws v1.8.4
 	github.com/sigstore/sigstore/pkg/signature/kms/azure v1.8.4
-	github.com/sigstore/sigstore/pkg/signature/kms/gcp v1.8.4
+	github.com/sigstore/sigstore/pkg/signature/kms/gcp v1.8.7
 	github.com/sigstore/sigstore/pkg/signature/kms/hashivault v1.8.4
 	go.opentelemetry.io/otel v1.28.0
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.27.0
@@ -68,12 +68,12 @@ require (
 )
 
 require (
-	cloud.google.com/go v0.113.0 // indirect
-	cloud.google.com/go/auth v0.4.1 // indirect
+	cloud.google.com/go v0.115.0 // indirect
+	cloud.google.com/go/auth v0.6.1 // indirect
 	cloud.google.com/go/auth/oauth2adapt v0.2.2 // indirect
 	cloud.google.com/go/compute/metadata v0.3.0 // indirect
 	cloud.google.com/go/iam v1.1.8 // indirect
-	cloud.google.com/go/kms v1.17.1 // indirect
+	cloud.google.com/go/kms v1.18.2 // indirect
 	cloud.google.com/go/longrunning v0.5.7 // indirect
 	dario.cat/mergo v1.0.0 // indirect
 	github.com/Azure/azure-sdk-for-go/sdk/azcore v1.11.1 // indirect
@@ -86,7 +86,7 @@ require (
 	github.com/antlr4-go/antlr/v4 v4.13.0 // indirect
 	github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.11.2 // indirect
 	github.com/aws/aws-sdk-go-v2/service/kms v1.32.1 // indirect
-	github.com/aws/aws-sdk-go-v2/service/ssooidc v1.24.3 // indirect
+	github.com/aws/aws-sdk-go-v2/service/ssooidc v1.24.5 // indirect
 	github.com/cenkalti/backoff/v3 v3.2.2 // indirect
 	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
 	github.com/cloudflare/circl v1.3.7 // indirect
@@ -104,7 +104,7 @@ require (
 	github.com/google/go-containerregistry/pkg/authn/kubernetes v0.0.0-20240108195214-a0658aa1d0cc // indirect
 	github.com/google/s2a-go v0.1.7 // indirect
 	github.com/googleapis/enterprise-certificate-proxy v0.3.2 // indirect
-	github.com/googleapis/gax-go/v2 v2.12.4 // indirect
+	github.com/googleapis/gax-go/v2 v2.12.5 // indirect
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.20.0 // indirect
 	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
 	github.com/hashicorp/go-retryablehttp v0.7.6 // indirect
@@ -116,7 +116,7 @@ require (
 	github.com/hashicorp/vault/api v1.14.0 // indirect
 	github.com/jellydator/ttlcache/v3 v3.2.0 // indirect
 	github.com/kylelemons/godebug v1.1.0 // indirect
-	github.com/letsencrypt/boulder v0.0.0-20230907030200-6d76a0f91e1e // indirect
+	github.com/letsencrypt/boulder v0.0.0-20240620165639-de9c06129bec // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/mxk/go-flowrate v0.0.0-20140419014527-cca7078d478f // indirect
@@ -128,14 +128,13 @@ require (
 	github.com/stoewer/go-strcase v1.2.0 // indirect
 	github.com/titanous/rocacheck v0.0.0-20171023193734-afe73141d399 // indirect
 	github.com/zeebo/errs v1.3.0 // indirect
-	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.49.0 // indirect
-	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.49.0 // indirect
+	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.52.0 // indirect
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.52.0 // indirect
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.27.0 // indirect
 	go.opentelemetry.io/otel/metric v1.28.0 // indirect
 	go.opentelemetry.io/proto/otlp v1.2.0 // indirect
-	google.golang.org/genproto/googleapis/api v0.0.0-20240520151616-dc85e6b867a5 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20240515191416-fc5f0ca64291 // indirect
-	gopkg.in/go-jose/go-jose.v2 v2.6.3 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20240617180043-68d350f18fd4 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20240624140628-dc46fd24d27d // indirect
 )
 
 // TODO: Remove this once github.com/google/go-containerregistry uses github.com/aws/aws-sdk-go-v2 >v1.23.0
@@ -156,18 +155,18 @@ require (
 	github.com/Azure/go-autorest/autorest/date v0.3.0 // indirect
 	github.com/Azure/go-autorest/logger v0.2.1 // indirect
 	github.com/Azure/go-autorest/tracing v0.6.0 // indirect
-	github.com/aws/aws-sdk-go-v2 v1.27.0 // indirect
-	github.com/aws/aws-sdk-go-v2/config v1.27.16 // indirect
-	github.com/aws/aws-sdk-go-v2/credentials v1.17.16 // indirect
-	github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.16.3 // indirect
-	github.com/aws/aws-sdk-go-v2/internal/configsources v1.3.7 // indirect
-	github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.6.7 // indirect
+	github.com/aws/aws-sdk-go-v2 v1.27.2 // indirect
+	github.com/aws/aws-sdk-go-v2/config v1.27.18 // indirect
+	github.com/aws/aws-sdk-go-v2/credentials v1.17.18 // indirect
+	github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.16.5 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/configsources v1.3.9 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.6.9 // indirect
 	github.com/aws/aws-sdk-go-v2/internal/ini v1.8.0 // indirect
 	github.com/aws/aws-sdk-go-v2/service/ecr v1.18.11 // indirect
 	github.com/aws/aws-sdk-go-v2/service/ecrpublic v1.16.2 // indirect
-	github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.11.9 // indirect
-	github.com/aws/aws-sdk-go-v2/service/sso v1.20.9 // indirect
-	github.com/aws/aws-sdk-go-v2/service/sts v1.28.10 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.11.11 // indirect
+	github.com/aws/aws-sdk-go-v2/service/sso v1.20.11 // indirect
+	github.com/aws/aws-sdk-go-v2/service/sts v1.28.12 // indirect
 	github.com/aws/smithy-go v1.20.2 // indirect
 	github.com/awslabs/amazon-ecr-credential-helper/ecr-login v0.0.0-20230510185313-f5e39e5f34c7 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
@@ -228,18 +227,18 @@ require (
 	github.com/vbatts/tar-split v0.11.3 // indirect
 	go.uber.org/automaxprocs v1.5.3 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
-	golang.org/x/crypto v0.23.0 // indirect
+	golang.org/x/crypto v0.25.0 // indirect
 	golang.org/x/mod v0.17.0 // indirect
-	golang.org/x/net v0.25.0 // indirect
+	golang.org/x/net v0.26.0 // indirect
 	golang.org/x/sync v0.7.0
-	golang.org/x/sys v0.21.0 // indirect
-	golang.org/x/term v0.20.0 // indirect
-	golang.org/x/text v0.15.0 // indirect
+	golang.org/x/sys v0.22.0 // indirect
+	golang.org/x/term v0.22.0 // indirect
+	golang.org/x/text v0.16.0 // indirect
 	golang.org/x/time v0.5.0 // indirect
-	golang.org/x/tools v0.20.0 // indirect
-	google.golang.org/api v0.181.0 // indirect
-	google.golang.org/genproto v0.0.0-20240401170217-c3f982113cda // indirect
-	google.golang.org/grpc v1.64.0
+	golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d // indirect
+	google.golang.org/api v0.187.0 // indirect
+	google.golang.org/genproto v0.0.0-20240624140628-dc46fd24d27d // indirect
+	google.golang.org/grpc v1.64.1
 	google.golang.org/protobuf v1.34.2
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect