Bump gitpython from 3.1.32 to 3.1.35 in /zombienet/docker

Bumps [gitpython](https://github.com/gitpython-developers/GitPython) from 3.1.32 to 3.1.35.
- [Release notes](https://github.com/gitpython-developers/GitPython/releases)
- [Changelog](https://github.com/gitpython-developers/GitPython/blob/main/CHANGES)
- [Commits](gitpython-developers/GitPython@3.1.32...3.1.35)

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

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

zombienet/docker/requirements.txt

@@ -1 +1 @@
-GitPython==3.1.32
+GitPython==3.1.35