fix workflow

.github/workflows/format-and-push.yml

@@ -20,6 +20,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+        with:
+          ref: ${{ github.head_ref }}  # Checkout the PR branch
 
       - uses: pnpm/action-setup@v4
         name: Install pnpm
@@ -54,7 +56,7 @@ jobs:
             git config --global user.email "github-actions[bot]@users.noreply.github.com"
             git add .
             git commit -m "format: make the code prettier"
-            git push
+            git push origin ${{ github.head_ref }}
           else
             echo "No formatting changes to push."
           fi