operator: kube-rbac-proxy to 0.18.1

[tkatila]

As kubebuilder does not provide rbac-proxy containers anymore, move to bitnami/vmware containers.

[mythi]

As kubebuilder does not provide rbac-proxy containers anymore, move to bitnami/vmware containers.

Kubebuilder suggestion is "Kubebuilder will no longer scaffold new projects with kube-rbac-proxy. Existing users are encouraged to switch to images hosted by the project on quay.io OR to adapt their projects to utilize Network Policies, following the updated scaffold guidelines."

[tkatila]

As kubebuilder does not provide rbac-proxy containers anymore, move to bitnami/vmware containers.

Kubebuilder suggestion is "Kubebuilder will no longer scaffold new projects with kube-rbac-proxy. Existing users are encouraged to switch to images hosted by the project on quay.io OR to adapt their projects to utilize Network Policies, following the updated scaffold guidelines."

Ok, I'll switch to the quay.io one then.