Update nbgitpuller requirement

Updates the requirements on [nbgitpuller](https://github.com/jupyterhub/nbgitpuller) to permit the latest version.
- [Changelog](https://github.com/jupyterhub/nbgitpuller/blob/main/CHANGELOG.md)
- [Commits](jupyterhub/nbgitpuller@1.2.0...1.2.1)

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

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Author: dependabot[bot]

enterprise/redhat/openshift-ai/gaudi/docker/requirements.txt

@@ -29,7 +29,7 @@ jupyterlab-lsp~=4.2.0
 jupyterlab-widgets~=3.0.10
 jupyter-resource-usage~=0.7.2
 nbdime~=3.2.1
-nbgitpuller~=1.2.0
+nbgitpuller~=1.2.1
 
 # pycodestyle is dependency of below packages
 # and to achieve compatible of pycodestyle with python-lsp-server[all]