chore(deps): bump actions/create-github-app-token from 1 to 2

Bumps [actions/create-github-app-token](https://github.com/actions/create-github-app-token) from 1 to 2.
- [Release notes](https://github.com/actions/create-github-app-token/releases)
- [Commits](actions/create-github-app-token@v1...v2)

---
updated-dependencies:
- dependency-name: actions/create-github-app-token
  dependency-version: '2'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/private-repo-test.yaml

@@ -77,7 +77,7 @@ jobs:
           unset TWINE_USERNAME TWINE_PASSWORD && make publish-tests
       - name: Get GitHub App token
         id: get_token
-        uses: actions/create-github-app-token@v1
+        uses: actions/create-github-app-token@v2
         with:
           private-key: ${{ secrets.TOBIKO_RENOVATE_BOT_PRIVATE_KEY }}
           app-id: ${{ secrets.TOBIKO_RENOVATE_BOT_APP_ID }}