Auto-Merge Automatic PR (#4343)

* Make Automatic issues auto-close

* Change PAT

.github/workflows/changelog-pr.yml

@@ -264,6 +264,17 @@ jobs:
             gh pr review $PR_NUMBER --approve
           fi
 
+      - name: Approve pull request and merge
+        if: env.changed == 'true'
+        env:
+          GH_TOKEN: ${{ secrets.PAT_AUTOMERGE }}
+        run: |
+          PR_NUMBER=$(gh pr list --head "${BRANCH_NAME}" --json number --jq '.[].number')
+          if [ -n "$PR_NUMBER" ]; then
+            gh pr review $PR_NUMBER --approve
+            gh pr merge $PR_NUMBER --squash --admin
+          fi
+
       - name: Re-approve pull request after update
         if: env.changed == 'true'
         env: