chore(deps): update actions/create-github-app-token action to v2

Author: renovate-bot

.github/workflows/upgrade.yml

@@ -35,7 +35,7 @@ jobs:
           GITHUB_ACTOR: ${{ github.actor }}
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
-      - uses: actions/create-github-app-token@v1.12.0
+      - uses: actions/create-github-app-token@v2.1.4
         id: generate_token
         if: github.ref == 'refs/heads/main'
         with: