spec.template.spec.containers[0].securityContext.privileged: Forbidden: disallowed by cluster policy

--allow-privileged=true.microk8s.md

Most likely your deployment is using "privileged=true".

To allow privileged containers add --allow-privileged=true to the kubelet und kube-apiserver config

sudo "--allow-privileged=true" >> /var/snap/microk8s/current/args/kube-apiserver

Afterwards restart services

sudo systemctl restart snap.microk8s.daemon-apiserver.service