Update actions/create-github-app-token action to v2

Author: bootc-bot[bot]

.github/workflows/renovate.yml

@@ -9,7 +9,7 @@ jobs:
     steps:
       - name: Generate Actions Token
         id: token
-        uses: actions/create-github-app-token@v1
+        uses: actions/create-github-app-token@v2
         with:
           app-id: ${{ secrets.APP_ID }}
           private-key: ${{ secrets.APP_PRIVATE_KEY }}