The images dodasts/spark:v3.4.1-spark and dodasts/jhub:v.0.015-jhub are updates to Ubuntu 22.04 for working with:
spark 3.4.1
sparkmonitor 2.1.1
sparkconnector 2.4.6
jupyterhub 4.0.1
jupyterlab 3.6.5
jupyterhub-kubespawner 6.0.0
oauthenticator 15.1.0