Bump gitpython from 3.1.35 to 3.1.37 in /scripts/copy_from_upstream (#1575)

Bumps [gitpython](https://github.com/gitpython-developers/GitPython) from 3.1.35 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@3.1.35...3.1.37)

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

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Author: dependabot[bot]

scripts/copy_from_upstream/requirements.txt

@@ -1,5 +1,5 @@
 attrs==20.3.0
-GitPython==3.1.35
+GitPython==3.1.37
 importlib-metadata==3.7.0
 Jinja2==2.11.3
 markdown-it-py==2.2.0