fix: revert the auto merge workflow changes

.github/workflows/auto-merge.yml

@@ -12,6 +12,8 @@ env:
   TARGET_BRANCH: ${{ vars.SYNC_TARGET_BRANCH_NAME }} # The target branch that you would like to merge changes like develop
   GITHUB_TOKEN: ${{ secrets.ACCESS_TOKEN }} # Personal access token required to modify contents and workflows
   REVIEWER: ${{ vars.SYNC_PR_REVIEWER }}
+  ACCOUNT_USER_NAME: ${{ vars.ACCOUNT_USER_NAME }}
+  ACCOUNT_USER_EMAIL: ${{ vars.ACCOUNT_USER_EMAIL }}
 
 jobs:
   Check_Branch:
@@ -40,6 +42,11 @@ jobs:
         with:
           fetch-depth: 0 # Fetch all history for all branches and tags
 
+      - name: Setup Git
+        run: |
+          git config user.name "$ACCOUNT_USER_NAME"
+          git config user.email "$ACCOUNT_USER_EMAIL"
+
       - name: Setup GH CLI and Git Config
         run: |
           type -p curl >/dev/null || (sudo apt update && sudo apt install curl -y)