Update automerge.yml (#591)

* Update automerge.yml

* update

.github/workflows/automerge.yml

@@ -1,14 +1,8 @@
 name: Auto Merge PR
 on:
-  pull_request_target:
+  check_suite:
     types:
-      - labeled
-      - synchronize
-      - opened
-    branches: [main]
-  pull_request_review:
-    types:
-      - submitted
+      - completed
 jobs:
   automerge:
     runs-on: ubuntu-latest
@@ -17,7 +11,7 @@ jobs:
         uses: "pascalgn/[email protected]"
         env:
           GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
-          MERGE_LABELS: "approved,auto merge"
+          MERGE_LABELS: "approved"
           MERGE_METHOD: "squash"
           MERGE_COMMIT_MESSAGE: "automatic"
           MERGE_FORKS: "false"
@@ -38,4 +32,4 @@ jobs:
               repo,
               issue_number,
               body: "🚀This PR has been automatically merged with squash.🚀"
-            })
+            })