Bump google-github-actions/auth from 2.0.0 to 2.1.0

Bumps [google-github-actions/auth](https://github.com/google-github-actions/auth) from 2.0.0 to 2.1.0.
- [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@v2.0.0...v2.1.0)

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

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

.github/workflows/iac.yml

@@ -121,7 +121,7 @@ jobs:
 
       - id: 'auth'
         name: 'Authenticate to Google Cloud'
-        uses: 'google-github-actions/auth@v2.0.0'
+        uses: 'google-github-actions/auth@v2.1.0'
         if: inputs.GCP_ENV == true
         with:
           workload_identity_provider: ${{ inputs.GCP_WIP }}