Shows prometheus-community helm repo was already present.

microk8s helm3 repo list

Update chart repo

microk8s helm3 repo update

Search kube-prometheus-stack version

microk8s helm3 search repo prometheus-community/kube-prometheus-stack

Update kube-prometheus-stack with specific version

microk8s helm3 upgrade -n observability kube-prom-stack prometheus-community/kube-prometheus-stack --version 55.7.0 --install