Bump gitpython in /docs in the pip group across 1 directory

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


Updates `gitpython` from 3.1.44 to 3.1.54
- [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...3.1.54)

---
updated-dependencies:
- dependency-name: gitpython
  dependency-version: 3.1.54
  dependency-type: direct:production
  dependency-group: pip
...

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

Author: dependabot[bot]

docs/requirements.txt

@@ -1,7 +1,7 @@
 doc8==0.10.1
 docutils==0.20.1
 furo==2024.8.6
-GitPython==3.1.44
+GitPython==3.1.54
 setuptools==78.1.1
 sphinx_rtd_theme==3.0.2
 sphinx-sitemap==2.6.0