Bump pygithub from 2.9.0 to 2.9.1 (#6511)

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

Author: dependabot[bot]

pyproject.toml

@@ -36,7 +36,7 @@ dependencies = [
   "gitpython==3.1.46",
   "jinja2==3.1.6",
   "pre-commit==4.5.1",
-  "pygithub==2.9.0",
+  "pygithub==2.9.1",
   "pytest==9.0.3",
   "pytest-cookies==0.7",
   "pytest-instafail==0.5",