Merge pull request #3737 from jupyterhub/dependabot/pip/images/singleuser-sample/jupyterlab-4.4.8

Bump jupyterlab from 4.4.4 to 4.4.8 in /images/singleuser-sample

Author: manics

images/singleuser-sample/requirements.txt

@@ -139,7 +139,7 @@ jupyter-server-terminals==0.5.3
     # via jupyter-server
 jupyterhub==5.3.0
     # via -r unfrozen/requirements.txt
-jupyterlab==4.4.4
+jupyterlab==4.4.8
     # via -r unfrozen/requirements.txt
 jupyterlab-pygments==0.3.0
     # via nbconvert