Adds cloud logging only option to cloud build

Author: geshan

cloudbuild.yml

@@ -15,3 +15,5 @@ steps:
 
   - name: 'gcr.io/cloud-builders/gcloud'
     args: ['run', 'deploy', 'nodejs-postgres', '--image', 'gcr.io/$PROJECT_ID/nodejs-postgres', '--region', 'us-central1', '--platform', 'managed', '--allow-unauthenticated']
+options:
+  logging: CLOUD_LOGGING_ONLY