Bump gitpython from 3.1.18 to 3.1.30 in /ICLR2023

Bumps [gitpython](https://github.com/gitpython-developers/GitPython) from 3.1.18 to 3.1.30.
- [Release notes](https://github.com/gitpython-developers/GitPython/releases)
- [Changelog](https://github.com/gitpython-developers/GitPython/blob/main/CHANGES)
- [Commits](gitpython-developers/GitPython@3.1.18...3.1.30)

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

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

Author: dependabot[bot]

ICLR2023/requirements.txt

@@ -93,7 +93,7 @@ Flask-FontAwesome==0.1.5
 frozenlist==1.2.0
 fsspec==2021.11.0
 gitdb==4.0.7
-GitPython==3.1.18
+GitPython==3.1.30
 httplib2==0.9.2
 huggingface-hub==0.1.2
 humanize==3.11.0