uv.lock: bump gitpython in the base-deps group across 1 directory

Bumps the base-deps group with 1 update in the / directory: [gitpython](https://github.com/gitpython-developers/GitPython).


Updates `gitpython` from 3.1.58 to 3.1.59
- [Release notes](https://github.com/gitpython-developers/GitPython/releases)
- [Changelog](https://github.com/gitpython-developers/GitPython/blob/main/CHANGES)
- [Commits](gitpython-developers/GitPython@3.1.58...3.1.59)

---
updated-dependencies:
- dependency-name: gitpython
  dependency-version: 3.1.59
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: base-deps
...

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Author: dependabot[bot]