Bump pygithub from 2.6.1 to 2.8.1

Bumps [pygithub](https://github.com/pygithub/pygithub) from 2.6.1 to 2.8.1.
- [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...v2.8.1)

---
updated-dependencies:
- dependency-name: pygithub
  dependency-version: 2.8.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pyproject.toml

@@ -27,7 +27,7 @@ module = "edit_python_pe"
 dependencies = [
     "pygit2==1.17.0",
     "textual==3.1.0",
-    "pygithub==2.6.1",
+    "pygithub==2.8.1",
     "pyyaml==6.0.2",
     "platformdirs==4.3.7",
     "babel==2.17.0",