Bump gitpython from 3.1.43 to 3.1.47 in /.github

Bumps [gitpython](https://github.com/gitpython-developers/GitPython) from 3.1.43 to 3.1.47.
- [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...3.1.47)

---
updated-dependencies:
- dependency-name: gitpython
  dependency-version: 3.1.47
  dependency-type: direct:production
...

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

Author: dependabot[bot]

.github/build_requirements.txt

@@ -1,3 +1,3 @@
 build~=1.2.1
-GitPython==3.1.43
+GitPython==3.1.47