Bump the classical-ml group in /classical-ml with 2 updates

Bumps the classical-ml group in /classical-ml with 2 updates: [jupyterlab](https://github.com/jupyterlab/jupyterlab) and [jupyterhub](https://github.com/jupyterhub/jupyterhub).


Updates `jupyterlab` from 4.2.0 to 4.2.1
- [Release notes](https://github.com/jupyterlab/jupyterlab/releases)
- [Changelog](https://github.com/jupyterlab/jupyterlab/blob/@jupyterlab/[email protected]/CHANGELOG.md)
- [Commits](https://github.com/jupyterlab/jupyterlab/compare/@jupyterlab/[email protected]...@jupyterlab/[email protected])

Updates `jupyterhub` from 4.1.5 to 5.0.0
- [Changelog](https://github.com/jupyterhub/jupyterhub/blob/main/RELEASE.md)
- [Commits](jupyterhub/jupyterhub@4.1.5...5.0.0)

---
updated-dependencies:
- dependency-name: jupyterlab
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: classical-ml
- dependency-name: jupyterhub
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: classical-ml
...

Signed-off-by: dependabot[bot] <[email protected]>

classical-ml/jupyter-requirements.txt

@@ -1,4 +1,4 @@
-jupyterlab==4.2.0
-jupyterhub==4.1.5
+jupyterlab==4.2.1
+jupyterhub==5.0.0
 notebook==7.2.0
 jupyter-server-proxy>=4.1.2