chore(deps): bump pygithub from 1.55 to 1.57 (#100)

Bumps [pygithub](https://github.com/pygithub/pygithub) from 1.55 to 1.57.
- [Release notes](https://github.com/pygithub/pygithub/releases)
- [Changelog](https://github.com/PyGithub/PyGithub/blob/master/doc/changes.rst)
- [Commits](PyGithub/PyGithub@v1.55...v1.57)

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

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -1,3 +1,3 @@
-PyGithub==1.55
+PyGithub==1.57
 PyYAML==6.0
 tqdm==4.64.0