ci(action): update actions/create-github-app-token action to v2 (#638)

Author: descope[bot]

.github/workflows/release-please.yml

@@ -19,7 +19,7 @@ jobs:
     steps:
       - name: Generate GitHub App Token
         id: app-token
-        uses: actions/create-github-app-token@d72941d797fd3113feb6b93fd0dec494b13a2547 # v1.12.0
+        uses: actions/create-github-app-token@29824e69f54612133e76f7eaac726eef6c875baf # v2.2.1
         with:
           app-id: ${{ secrets.RELEASE_APP_ID }}
           private-key: ${{ secrets.RELEASE_APP_PEM }}