build(deps): bump google-github-actions/auth from 2.1.4 to 2.1.5 (#225)

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] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/publish-techdocs.yaml

@@ -90,7 +90,7 @@ jobs:
 
       - id: auth
         name: Authenticate with Google Cloud
-        uses: google-github-actions/auth@f112390a2df9932162083945e46d439060d66ec2 # v2.1.4
+        uses: google-github-actions/auth@62cf5bd3e4211a0a0b51f2c6d6a37129d828611d # v2.1.5
         with:
           create_credentials_file: true
           workload_identity_provider: ${{ inputs.workload-identity-provider }}