build(deps): bump actions/attest-build-provenance from 2.4.0 to 3.0.0

Bumps [actions/attest-build-provenance](https://github.com/actions/attest-build-provenance) from 2.4.0 to 3.0.0.
- [Release notes](https://github.com/actions/attest-build-provenance/releases)
- [Changelog](https://github.com/actions/attest-build-provenance/blob/main/RELEASE.md)
- [Commits](e8998f9491...977bb373ed)

---
updated-dependencies:
- dependency-name: actions/attest-build-provenance
  dependency-version: 3.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/artifacts.yaml

@@ -177,14 +177,14 @@ jobs:
 
       # TODO: uncomment when the action is working for non ghcr.io pushes. GH Issue: https://github.com/actions/attest-build-provenance/issues/80
       # - name: Generate build provenance attestation
-      #   uses: actions/attest-build-provenance@e8998f949152b193b063cb0ec769d69d929409be # v2.4.0
+      #   uses: actions/attest-build-provenance@977bb373ede98d70efdf65b84cb5f73e068dcc2a # v3.0.0
       #   with:
       #     subject-name: dexidp/dex
       #     subject-digest: ${{ steps.build.outputs.digest }}
       #     push-to-registry: true
 
       - name: Generate build provenance attestation
-        uses: actions/attest-build-provenance@e8998f949152b193b063cb0ec769d69d929409be # v2.4.0
+        uses: actions/attest-build-provenance@977bb373ede98d70efdf65b84cb5f73e068dcc2a # v3.0.0
         with:
           subject-name: ghcr.io/dexidp/dex
           subject-digest: ${{ steps.build.outputs.digest }}