Allow to configure the pod security settings for the operator's pod

[Sgitario]

More context in https://www.redhat.com/en/blog/kubernetes-operators-good-security-practices

[cdmikechen]

According to my experience, the operator permissions are not driven by the operator-sdk, but based on the role/cluster role. Therefore, the operator itself cannot control the permissions of k8s. I wonder if my understanding is correct.