Update dependency GitPython to v3.1.37

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
GitPython	==3.1.36 -> ==3.1.37

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Release Notes

gitpython-developers/GitPython (GitPython)

### [`v3.1.37`](https://togithub.com/gitpython-developers/GitPython/releases/tag/3.1.37): - a proper fix CVE-2023-41040 [Compare Source](https://togithub.com/gitpython-developers/GitPython/compare/3.1.36...3.1.37) #### What's Changed - Improve Python version and OS compatibility, fixing deprecations by [@​EliahKagan](https://togithub.com/EliahKagan) in [https://github.com/gitpython-developers/GitPython/pull/1654](https://togithub.com/gitpython-developers/GitPython/pull/1654) - Better document env_case test/fixture and cwd by [@​EliahKagan](https://togithub.com/EliahKagan) in [https://github.com/gitpython-developers/GitPython/pull/1657](https://togithub.com/gitpython-developers/GitPython/pull/1657) - Remove spurious executable permissions by [@​EliahKagan](https://togithub.com/EliahKagan) in [https://github.com/gitpython-developers/GitPython/pull/1658](https://togithub.com/gitpython-developers/GitPython/pull/1658) - Fix up checks in Makefile and make them portable by [@​EliahKagan](https://togithub.com/EliahKagan) in [https://github.com/gitpython-developers/GitPython/pull/1661](https://togithub.com/gitpython-developers/GitPython/pull/1661) - Fix URLs that were redirecting to another license by [@​EliahKagan](https://togithub.com/EliahKagan) in [https://github.com/gitpython-developers/GitPython/pull/1662](https://togithub.com/gitpython-developers/GitPython/pull/1662) - Assorted small fixes/improvements to root dir docs by [@​EliahKagan](https://togithub.com/EliahKagan) in [https://github.com/gitpython-developers/GitPython/pull/1663](https://togithub.com/gitpython-developers/GitPython/pull/1663) - Use venv instead of virtualenv in test_installation by [@​EliahKagan](https://togithub.com/EliahKagan) in [https://github.com/gitpython-developers/GitPython/pull/1664](https://togithub.com/gitpython-developers/GitPython/pull/1664) - Omit py_modules in setup by [@​EliahKagan](https://togithub.com/EliahKagan) in [https://github.com/gitpython-developers/GitPython/pull/1665](https://togithub.com/gitpython-developers/GitPython/pull/1665) - Don't track code coverage temporary files by [@​EliahKagan](https://togithub.com/EliahKagan) in [https://github.com/gitpython-developers/GitPython/pull/1666](https://togithub.com/gitpython-developers/GitPython/pull/1666) - Configure tox by [@​EliahKagan](https://togithub.com/EliahKagan) in [https://github.com/gitpython-developers/GitPython/pull/1667](https://togithub.com/gitpython-developers/GitPython/pull/1667) - Format tests with black and auto-exclude untracked paths by [@​EliahKagan](https://togithub.com/EliahKagan) in [https://github.com/gitpython-developers/GitPython/pull/1668](https://togithub.com/gitpython-developers/GitPython/pull/1668) - Upgrade and broaden flake8, fixing style problems and bugs by [@​EliahKagan](https://togithub.com/EliahKagan) in [https://github.com/gitpython-developers/GitPython/pull/1673](https://togithub.com/gitpython-developers/GitPython/pull/1673) - Fix rollback bug in SymbolicReference.set_reference by [@​EliahKagan](https://togithub.com/EliahKagan) in [https://github.com/gitpython-developers/GitPython/pull/1675](https://togithub.com/gitpython-developers/GitPython/pull/1675) - Remove `@NoEffect` annotations by [@​EliahKagan](https://togithub.com/EliahKagan) in [https://github.com/gitpython-developers/GitPython/pull/1677](https://togithub.com/gitpython-developers/GitPython/pull/1677) - Add more checks for the validity of refnames by [@​facutuesca](https://togithub.com/facutuesca) in [https://github.com/gitpython-developers/GitPython/pull/1672](https://togithub.com/gitpython-developers/GitPython/pull/1672) **Full Changelog**: https://github.com/gitpython-developers/GitPython/compare/3.1.36...3.1.37

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