Use app token to sync 'all-e2e' branch (#5968)

.github/workflows/update-e2e-branch.yml

@@ -14,10 +14,19 @@ permissions:
 jobs:
   update-branch:
     runs-on: ubuntu-latest
-
     steps:
+      - uses: actions/create-github-app-token@v1
+        id: app-token
+        with:
+          app-id: ${{ secrets.MODELING_APP_GH_APP_ID }}
+          private-key: ${{ secrets.MODELING_APP_GH_APP_PRIVATE_KEY }}
+          owner: ${{ github.repository_owner }}
+
       - uses: actions/checkout@v4
-      - shell: bash
+        with:
+          token: ${{ steps.app-token.outputs.token }}
+
+      - name: Sync with main
         run: |
           # checkout our branch
           git checkout all-e2e || git checkout -b all-e2e
@@ -26,4 +35,5 @@ jobs:
           # reset to main
           git reset --hard origin/main
           # force push it
+          git remote set-url origin https://x-access-token:${{ steps.app-token.outputs.token }}@github.com/${{ github.repository }}.git
           git push --force origin all-e2e