Set read-only permissions for hostpath volume

Created by: pixiake

Components involved: ks-installer node-exporter kube-auditing-operator ks-apiserver ks-console ks-controller-manager ks-events-operator fluentbit-operator logsidecar-injector notification-manager-operator kube-state-metrics weave-scope-agent edge-watcher-controller-manager cloudcore

Signed-off-by: pixiake guofeng@yunify.com