build(deps): bump gitpython from 3.1.49 to 3.1.50 in /docs (#2585)

Bumps [gitpython](https://github.com/gitpython-developers/GitPython) from 3.1.49 to 3.1.50.
- [Release notes](https://github.com/gitpython-developers/GitPython/releases)
- [Changelog](https://github.com/gitpython-developers/GitPython/blob/main/CHANGES)
- [Commits](https://github.com/gitpython-developers/GitPython/compare/3.1.49...3.1.50)

---
updated-dependencies:
- dependency-name: gitpython
  dependency-version: 3.1.50
  dependency-type: direct:production
...

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

docs/requirements.txt

@@ -2,7 +2,7 @@ Babel==2.17.0
 click==8.1.2
 ghp-import==2.0.2
 gitdb==4.0.9
-GitPython==3.1.49
+GitPython==3.1.50
 importlib-metadata==4.11.3
 Jinja2==3.1.6
 Markdown==3.8.1