workflow: use app token to push changes

.github/workflows/definitions-update.yml

@@ -12,16 +12,25 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.event.number || github.ref }}
   cancel-in-progress: true
 
-permissions:
-  contents: write
-
 jobs:
   update-rudub:
     name: Update rudub
     if: github.repository == 'Jackett/Jackett'
     runs-on: ubuntu-latest
+    permissions:
+      contents: write
     steps:
-      - uses: actions/checkout@v5
+      - name: Generate Token
+        uses: actions/create-github-app-token@v2
+        id: app-token
+        with:
+          app-id: "${{ secrets.BOT_APP_ID }}"
+          private-key: "${{ secrets.BOT_APP_PRIVATE_KEY }}"
+
+      - name: Checkout
+        uses: actions/checkout@v5
+        with:
+          token: ${{ steps.app-token.outputs.token }}
 
       - name: Setup Environment Variables
         run: |