Bump github-api from 1.307 to 1.308
Bump github-api from 1.307 to 1.308

Bumps [github-api](https://github.com/hub4j/github-api) from 1.307 to 1.308.
- [Release notes](https://github.com/hub4j/github-api/releases)
- [Changelog](https://github.com/hub4j/github-api/blob/main/CHANGELOG.md)
- [Commits](https://github.com/hub4j/github-api/compare/github-api-1.307...github-api-1.308)

---
updated-dependencies:
- dependency-name: org.kohsuke:github-api
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
gocd-contrib/gocd-build-status-notifier,gocd-contrib/gocd-build-status-notifier