build(deps): bump pygithub from 1.55 to 1.56 in /tools/base (#23481)
build(deps): bump pygithub from 1.55 to 1.56 in /tools/base (#23481)

Bumps [pygithub](https://github.com/pygithub/pygithub) from 1.55 to 1.56.
- [Release notes](https://github.com/pygithub/pygithub/releases)
- [Changelog](https://github.com/PyGithub/PyGithub/blob/master/doc/changes.rst)
- [Commits](https://github.com/pygithub/pygithub/compare/v1.55...v1.56)

---
updated-dependencies:
- dependency-name: pygithub
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
Co-authored-by: dependabot[bot] <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
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