Fix .github/workflows/tamper-monkey.yaml (#24)

* Use stefanzweifel/git-auto-commit-action@v5

* Give permissions to write

.github/workflows/tamper-monkey.yaml

@@ -6,11 +6,12 @@ jobs:
   gomplate:
     runs-on: ubuntu-latest
 
+    permissions:
+      contents: write
+
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
-        with:
-          ref: ${{ github.event.pull_request.head.ref }}
 
       - name: Install gomplate
         run: |
@@ -21,10 +22,4 @@ jobs:
       - name: Run gomplate
         run: gomplate < script.js.tmpl > script.js
 
-      - name: Commit and push changes
-        run: |
-          git config --global user.name "GitHub Actions"
-          git config --global user.email "actions@users.noreply.github.com"
-          git add .
-          git commit -m "Update script.js using gomplate" || true
-          git push
+      - uses: stefanzweifel/git-auto-commit-action@v5