build(deps): bump pygithub from 2.9.0 to 2.9.1

Bumps [pygithub](https://github.com/pygithub/pygithub) from 2.9.0 to 2.9.1.
- [Release notes](https://github.com/pygithub/pygithub/releases)
- [Changelog](https://github.com/PyGithub/PyGithub/blob/main/doc/changes.rst)
- [Commits](PyGithub/PyGithub@v2.9.0...v2.9.1)

---
updated-dependencies:
- dependency-name: pygithub
  dependency-version: 2.9.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pyproject.toml

@@ -44,7 +44,7 @@ tests = [
     "black>=24.2.0",
     "click==8.3.2",
     "inflect==7.5.0",
-    "pygithub==2.9.0",
+    "pygithub==2.9.1",
     "lxml==5.3.0",
     "numpy==2.2.6",
     "parse==1.21.1",