This replaces any uses of `rbac.authorization.k8s.io/v1beta1` with
`rbac.authorization.k8s.io/v1` affecting RBAC objects like ClusterRole
and ClusterRoleBindings, etc. to make it consistent.
This is done as some RBAC objects used the `v1beta1` and others already
using `v1`.
Signed-off-by: Alexander Trost <galexrt@googlemail.com>