Bump gitpython from 3.1.20 to 3.1.30 (#162)

Bumps [gitpython](https://github.com/gitpython-developers/GitPython) from 3.1.20 to 3.1.30.
- [Release notes](https://github.com/gitpython-developers/GitPython/releases)
- [Changelog](https://github.com/gitpython-developers/GitPython/blob/main/CHANGES)
- [Commits](gitpython-developers/GitPython@3.1.20...3.1.30)

---
updated-dependencies:
- dependency-name: gitpython
  dependency-type: direct:development
...

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

Author: dependabot[bot]