Bump gitpython from 3.1.43 to 3.1.47 in /docs

Bumps [gitpython](https://github.com/gitpython-developers/GitPython) from 3.1.43 to 3.1.47.
- [Release notes](https://github.com/gitpython-developers/GitPython/releases)
- [Changelog](https://github.com/gitpython-developers/GitPython/blob/main/CHANGES)
- [Commits](gitpython-developers/GitPython@3.1.43...3.1.47)

---
updated-dependencies:
- dependency-name: gitpython
  dependency-version: 3.1.47
  dependency-type: indirect
...

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Author: dependabot[bot]