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

Author: renovate[bot]

.github/workflows/update-website.yml

@@ -12,7 +12,7 @@ jobs:
     steps:
       - name: "Generate GitHub App Token"
         id: app-token
-        uses: "actions/create-github-app-token@v1"
+        uses: "actions/create-github-app-token@v2"
         with:
           app-id: ${{ secrets.WEBSITE_APP_ID }}
           private-key: ${{ secrets.WEBSITE_APP_PRIVATE_KEY }}