Bump jupyterhub from 1.5.0 to 4.1.0

Bumps [jupyterhub](https://github.com/jupyterhub/jupyterhub) from 1.5.0 to 4.1.0.
- [Changelog](https://github.com/jupyterhub/jupyterhub/blob/main/RELEASE.md)
- [Commits](jupyterhub/jupyterhub@1.5.0...4.1.0)

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

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

Author: dependabot[bot]

requirements.txt

@@ -27,7 +27,7 @@ jupyter_geppetto==1.1.5
 jupyter-client==7.0.6
 jupyter-core==4.9.1
 jupyter-server==1.11.2
-jupyterhub==1.5.0
+jupyterhub==4.1.0
 jupyterlab==3.2.4
 neuromllite==0.5.4
 jupyterthemes==0.20.0