Update auto-update.yml

.github/workflows/auto-update.yml

@@ -9,12 +9,10 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
-      - name: Create Branch
-        uses: peterjgrainger/action-create-branch@v2.0.1
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
-          branch: 'bot/auto-update'
+          ref: bot/auto-update
+      - name: Push Branch
+        run: git push -u origin bot/auto-update
   format:
     runs-on: ubuntu-latest
     needs: create-branch