Bump pygithub from 1.54 to 1.54.1

Bumps [pygithub](https://github.com/PyGithub/PyGithub) from 1.54 to 1.54.1.
- [Release notes](https://github.com/PyGithub/PyGithub/releases)
- [Commits](PyGithub/PyGithub@v1.54...v1.54.1)

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

Author: dependabot-preview[bot]

dev-requirements.txt

@@ -20,7 +20,7 @@ mypy==0.790  # Type checking
 pip_check_reqs==2.1.1
 pydocstyle==5.1.1  # Lint docstrings
 pyenchant==3.2.0  # Bindings for a spellchecking sytem
-pygithub==1.54
+pygithub==1.54.1
 pylint==2.6.0  # Lint
 pyroma==2.6  # Packaging best practices checker
 pytest-cov==2.10.1  # Measure code coverage