chore(deps): bump google-github-actions/auth from 2.1.4 to 2.1.5

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@v2.1.4...v2.1.5)

---
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>

.github/workflows/k8s-cleaner.yml

@@ -33,7 +33,7 @@ jobs:
         export_default_credentials: true
 
     - name: Login to GCP 
-      uses: google-github-actions/auth@v2.1.4
+      uses: google-github-actions/auth@v2.1.5
       with:
         credentials_json: ${{ secrets.GCP_SA_KEY }}