Bump gitpython from 3.1.43 to 3.1.50 in /docs

Bumps [gitpython](https://github.com/gitpython-developers/GitPython) from 3.1.43 to 3.1.50.
- [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...3.1.50)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

docs/requirements.txt

@@ -1,5 +1,5 @@
 sphinx==7.2.6
 sphinx-rtd-theme==2.0.0
-gitpython==3.1.43
+gitpython==3.1.50
 sphinxemoji==0.3.1
 myst-parser==2.0.0