Revert "Update .asf.yaml (#2103)" (#2104)

This reverts commit 770bade.

.asf.yaml

@@ -29,7 +29,7 @@ github:
     - etl-framework
   enabled_merge_buttons:
     squash: true
-    merge: true
+    merge: false
     rebase: false
   protected_branches:
     dev:
@@ -44,4 +44,4 @@ notifications:
   issues:       commits@seatunnel.apache.org
   pullrequests: commits@seatunnel.apache.org
   pullrequests_status:  commits@seatunnel.apache.org
-  pullrequests_comment: commits@seatunnel.apache.org
+  pullrequests_comment: commits@seatunnel.apache.org