[MINOR] Update GitHub setting for branch protection

- require branches to be up to date before merging
- require at least 1 approving review

.asf.yaml

@@ -38,6 +38,13 @@ github:
     squash:  true
     merge:   false
     rebase:  false
+  protected_branches:
+    master:
+      required_status_checks:
+        # strict means "Require branches to be up to date before merging".
+        strict: true
+      required_pull_request_reviews:
+        required_approving_review_count: 1
 notifications:
   commits:      commits@hudi.apache.org
   issues:       commits@hudi.apache.org