Bump gitpython from 3.1.31 to 3.1.37 in /requirements

Bumps [gitpython](https://github.com/gitpython-developers/GitPython) from 3.1.31 to 3.1.37.
- [Release notes](https://github.com/gitpython-developers/GitPython/releases)
- [Changelog](https://github.com/gitpython-developers/GitPython/blob/main/CHANGES)
- [Commits](gitpython-developers/GitPython@3.1.31...3.1.37)

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

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

Author: dependabot[bot]

requirements/all.txt

@@ -54,7 +54,7 @@ ghp-import==2.1.0
     # via mkdocs
 gitdb==4.0.10
     # via gitpython
-gitpython==3.1.31
+gitpython==3.1.37
     # via mkdocs-git-revision-date-localized-plugin
 griffe==0.29.1
     # via mkdocstrings-python

requirements/docs.txt

@@ -20,7 +20,7 @@ ghp-import==2.1.0
     # via mkdocs
 gitdb==4.0.10
     # via gitpython
-gitpython==3.1.31
+gitpython==3.1.37
     # via mkdocs-git-revision-date-localized-plugin
 griffe==0.29.1
     # via mkdocstrings-python