Bump jupyterhub from 5.2.0 to 5.2.1 in /classical-ml in the classical-ml group (#472)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Tyler Titsworth <tyler.titsworth@intel.com>

Author: dependabot[bot]

classical-ml/jupyter-requirements.txt

@@ -1,4 +1,4 @@
 jupyterlab==4.2.5
-jupyterhub==5.2.0
+jupyterhub==5.2.1
 notebook==7.2.2
 jupyter-server-proxy>=4.1.2