What happened:
Installing on GKE using the currently supported k8s versions displays a deprecation notice for this resource type.

What you expected to happen
Need to update these to use the new PodSecurity admission controller.
https://github.com/kubernetes/enhancements/tree/master/keps/sig-auth/2579-psp-replacement

How to reproduce it (as minimally and precisely as possible):
Start a new GKE cluster, follow the OM installation instructions.

Cloud Provider/Platform (AKS, GKE, Minikube etc.):
GKE (although any platform using k8s will display this, it's a k8s deprecation)

Open Match Release Version:
Latest (altthough affects previous versions too)

Install Method(yaml/helm)::
Both