Bump getsentry/action-github-app-token from 1 to 2

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

---
updated-dependencies:
- dependency-name: getsentry/action-github-app-token
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/api-docs.yml

@@ -16,7 +16,7 @@ jobs:
     steps:
       - name: Get Cakebot App Token
         id: app-token
-        uses: getsentry/action-github-app-token@v1
+        uses: getsentry/action-github-app-token@v2
         with:
           app_id: ${{ secrets.CAKEBOT_APP_ID }}
           private_key: ${{ secrets.CAKEBOT_APP_PRIVATE_KEY }}