Update google-github-actions/auth action to v2.1.7

Author: renovate[bot]

.github/actions/gcloud-auth/action.yml

@@ -18,7 +18,7 @@ runs:
   steps:
     - id: 'auth'
       name: 'Authenticate to Google Cloud'
-      uses: 'google-github-actions/auth@v2.1.6'
+      uses: 'google-github-actions/auth@v2.1.7'
       with:
         workload_identity_provider: ${{ inputs.GCP_WIP }}
         project_id: ${{ inputs.PROJECT_ID }}