Update GitHub Actions workflow for Playwright roll

Author: mxschmitt

.github/workflows/roll-next.yml

@@ -11,7 +11,6 @@ jobs:
     runs-on: ubuntu-24.04
     permissions:
       contents: write
-      pull-requests: write
     steps:
       - uses: actions/checkout@v4
       - uses: actions/checkout@v4
@@ -49,10 +48,20 @@ jobs:
           git add .
           git commit -m "feat(roll): roll to ToT Playwright ($(date +"%d-%m-%y"))"
           git push origin $BRANCH_NAME --force
+    - uses: actions/create-github-app-token@v1
+      id: app-token
+      with:
+        app-id: ${{ vars.PLAYWRIGHT_APP_ID }}
+        private-key: ${{ secrets.PLAYWRIGHT_PRIVATE_KEY }}
+    - name: Create Pull Request
+      uses: actions/github-script@v7
+      with:
+        github-token: ${{ steps.app-token.outputs.token }}
       - name: Create Pull Request
         uses: actions/github-script@v7
         if: ${{ steps.prepare-branch.outputs.HAS_CHANGES == '1' }}
         with:
+          github-token: ${{ steps.app-token.outputs.token }}
           script: |
             await github.rest.pulls.create({
               owner: 'microsoft',