Update Dependabot.yml

Author: wei18

.github/workflows/Dependabot.yml

@@ -1,13 +1,14 @@
-
 name: Dependabot update commit
 
 on:
   pull_request:
     paths:
       - 'Submodule/**' 
-    
-jobs:
 
+permissions:
+  pull-requests: write
+  
+jobs:
   Sync:
     if: github.actor == 'dependabot[bot]'
     strategy:
@@ -31,3 +32,10 @@ jobs:
       - run: touch Submodule
       - run: make install
       - run: git push
+      - env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GH_TOKEN: ${{secrets.GITHUB_TOKEN}}
+        run: |
+          gh pr review --approve "$PR_URL"
+          gh pr merge --auto --merge "$PR_URL"
+