Bump gitpython from 3.1.44 to 3.1.50 in /requirements

Bumps [gitpython](https://github.com/gitpython-developers/GitPython) from 3.1.44 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@3.1.44...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]

requirements/base.txt

@@ -10,7 +10,7 @@ mdformat-frontmatter==0.4.1
 sphinx-notfound-page==1.1.0
 sphinx-sitemap==2.6.0
 sphinx-docsearch
-GitPython==3.1.44
+GitPython==3.1.50
 ruamel.yaml==0.18.12
 
 # hypernode/ requirements