Promote node.k8s.io API groups from v1beta1 to v1

roles/kubernetes-apps/container_runtimes/crun/files/runtimeclass-crun.yml

 ---
 kind: RuntimeClass
-apiVersion: node.k8s.io/v1beta1
+apiVersion: node.k8s.io/v1{{ 'beta1' if kube_version is version('v1.20.0', '<') }}
 metadata:
   name: crun
 handler: crun

roles/kubernetes-apps/container_runtimes/kata_containers/templates/runtimeclass-kata-qemu.yml.j2

 ---
 kind: RuntimeClass
-apiVersion: node.k8s.io/v1beta1
+apiVersion: node.k8s.io/v1{{ 'beta1' if kube_version is version('v1.20.0', '<') }}
 metadata:
   name: kata-qemu
 handler: kata-qemu