build(deps): bump pygithub from 2.6.1 to 2.7.0

Bumps [pygithub](https://github.com/pygithub/pygithub) from 2.6.1 to 2.7.0.
- [Release notes](https://github.com/pygithub/pygithub/releases)
- [Changelog](https://github.com/PyGithub/PyGithub/blob/main/doc/changes.rst)
- [Commits](PyGithub/PyGithub@v2.6.1...v2.7.0)

---
updated-dependencies:
- dependency-name: pygithub
  dependency-version: 2.7.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pyproject.toml

@@ -44,7 +44,7 @@ tests = [
     "black>=24.2.0",
     "click==8.2.1",
     "inflect==7.5.0",
-    "pygithub==2.6.1",
+    "pygithub==2.8.1",
     "lxml==5.3.0",
     "numpy==2.2.6",
     "parse==1.20.2",