chore: Bump github.com/sigstore/sigstore from 1.8.12 to 1.8.14

Bumps [github.com/sigstore/sigstore](https://github.com/sigstore/sigstore) from 1.8.12 to 1.8.14.
- [Release notes](https://github.com/sigstore/sigstore/releases)
- [Commits](sigstore/sigstore@v1.8.12...v1.8.14)

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

Signed-off-by: dependabot[bot] <[email protected]>

go.mod

@@ -47,7 +47,7 @@ require (
 	github.com/owenrumney/go-sarif/v2 v2.3.3
 	github.com/pkg/errors v0.9.1
 	github.com/sigstore/cosign/v2 v2.2.4
-	github.com/sigstore/sigstore v1.8.12
+	github.com/sigstore/sigstore v1.8.14
 	github.com/sirupsen/logrus v1.9.3
 	github.com/spdx/tools-golang v0.5.5
 	github.com/spf13/cobra v1.8.1
@@ -119,6 +119,7 @@ require (
 	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
 	github.com/segmentio/ksuid v1.0.4 // indirect
 	github.com/sigstore/fulcio v1.4.5 // indirect
+	github.com/sigstore/protobuf-specs v0.4.0 // indirect
 	github.com/sigstore/timestamp-authority v1.2.2 // indirect
 	github.com/skratchdot/open-golang v0.0.0-20200116055534-eef842397966 // indirect
 	github.com/sourcegraph/conc v0.3.0 // indirect
@@ -130,6 +131,7 @@ require (
 	github.com/yashtewari/glob-intersection v0.2.0 // indirect
 	go.opentelemetry.io/auto/sdk v1.1.0 // indirect
 	go.step.sm/crypto v0.57.0 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20241209162323-e6fa225c2576 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20250115164207-1a7da9e5054f // indirect
 	gotest.tools/v3 v3.1.0 // indirect
 	sigs.k8s.io/release-utils v0.8.5 // indirect

go.sum

@@ -656,10 +656,12 @@ github.com/sigstore/cosign/v2 v2.2.4 h1:iY4vtEacmu2hkNj1Fh+8EBqBwKs2DHM27/lbNWDF
 github.com/sigstore/cosign/v2 v2.2.4/go.mod h1:JZlRD2uaEjVAvZ1XJ3QkkZJhTqSDVtLaet+C/TMR81Y=
 github.com/sigstore/fulcio v1.4.5 h1:WWNnrOknD0DbruuZWCbN+86WRROpEl3Xts+WT2Ek1yc=
 github.com/sigstore/fulcio v1.4.5/go.mod h1:oz3Qwlma8dWcSS/IENR/6SjbW4ipN0cxpRVfgdsjMU8=
+github.com/sigstore/protobuf-specs v0.4.0 h1:yoZbdh0kZYKOSiVbYyA8J3f2wLh5aUk2SQB7LgAfIdU=
+github.com/sigstore/protobuf-specs v0.4.0/go.mod h1:FKW5NYhnnFQ/Vb9RKtQk91iYd0MKJ9AxyqInEwU6+OI=
 github.com/sigstore/rekor v1.3.9 h1:sUjRpKVh/hhgqGMs0t+TubgYsksArZ6poLEC3MsGAzU=
 github.com/sigstore/rekor v1.3.9/go.mod h1:xThNUhm6eNEmkJ/SiU/FVU7pLY2f380fSDZFsdDWlcM=
-github.com/sigstore/sigstore v1.8.12 h1:S8xMVZbE2z9ZBuQUEG737pxdLjnbOIcFi5v9UFfkJFc=
-github.com/sigstore/sigstore v1.8.12/go.mod h1:+PYQAa8rfw0QdPpBcT+Gl3egKD9c+TUgAlF12H3Nmjo=
+github.com/sigstore/sigstore v1.8.14 h1:JqDkQ7PQCiCOerPRSkYr57Rj9sZO59fOcXDxvLsbNQw=
+github.com/sigstore/sigstore v1.8.14/go.mod h1:2lXojNsjZjkqu1//FWxq7qUcPB8Lq1KsR5hc+GkcC/4=
 github.com/sigstore/sigstore/pkg/signature/kms/aws v1.8.12 h1:EC3UmIaa7nV9sCgSpVevmvgvTYTkMqyrRbj5ojPp7tE=
 github.com/sigstore/sigstore/pkg/signature/kms/aws v1.8.12/go.mod h1:aw60vs3crnQdM/DYH+yF2P0MVKtItwAX34nuaMrY7Lk=
 github.com/sigstore/sigstore/pkg/signature/kms/azure v1.8.12 h1:FPpliDTywSy0woLHMAdmTSZ5IS/lVBZ0dY0I+2HmnSY=