chore(deps): Bump google-github-actions/auth from 2.1.4 to 2.1.5 (#1597)

Bumps [google-github-actions/auth](https://github.com/google-github-actions/auth) from 2.1.4 to 2.1.5.
- [Release notes](https://github.com/google-github-actions/auth/releases)
- [Changelog](https://github.com/google-github-actions/auth/blob/main/CHANGELOG.md)
- [Commits](google-github-actions/auth@f112390...62cf5bd)

---
updated-dependencies:
- dependency-name: google-github-actions/auth
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/build.yaml

@@ -48,7 +48,7 @@ jobs:
  - uses: chainguard-dev/actions/goimports@dacf41f3472c33979cfd49bca5b503236be57de0 # main
 
  - name: Set up Cloud SDK
- uses: google-github-actions/auth@f112390a2df9932162083945e46d439060d66ec2 # v2.1.4
+ uses: google-github-actions/auth@62cf5bd3e4211a0a0b51f2c6d6a37129d828611d # v2.1.5
  with:
  workload_identity_provider: 'projects/498091336538/locations/global/workloadIdentityPools/githubactions/providers/sigstore-policy-controller'
  service_account: 'gha-policy-controller@projectsigstore.iam.gserviceaccount.com'

.github/workflows/release.yaml

@@ -42,7 +42,7 @@ jobs:
  - uses: ko-build/setup-ko@3aebd0597dc1e9d1a26bcfdb7cbeb19c131d3037 # v0.7
 
  - name: Set up Cloud SDK
- uses: google-github-actions/auth@f112390a2df9932162083945e46d439060d66ec2 # v2.1.4
+ uses: google-github-actions/auth@62cf5bd3e4211a0a0b51f2c6d6a37129d828611d # v2.1.5
  with:
  workload_identity_provider: 'projects/498091336538/locations/global/workloadIdentityPools/githubactions/providers/sigstore-policy-controller'
  service_account: 'gha-policy-controller@projectsigstore.iam.gserviceaccount.com'