ci: fix setup-gcloud tag and create credentials for workload identity

Author: AaronNewTech

.github/workflows/deploy.yml

@@ -39,7 +39,7 @@ jobs:
           export_environment_variables: true
 
       - name: Set up gcloud CLI
-        uses: google-github-actions/setup-gcloud@v1.3.0
+        uses: google-github-actions/setup-gcloud@v1
         with:
           project_id: ${{ env.GCP_PROJECT_ID }}