fix: remove unsupported --max-surge flag from rolling restart

Author: Augment Agent

.github/workflows/deploy-staging.yml

@@ -181,7 +181,6 @@ jobs:
           
           gcloud compute instance-groups managed rolling-action restart ${{ env.MIG_NAME }} \
             --zone=${{ env.ZONE }} \
-            --max-surge=1 \
             --max-unavailable=0 \
             --project=${{ env.PROJECT_ID }}