kube-prometheus: make all RBAC manifests v1beta1

...ts/exporters/kube-state-metrics-cluster-role-binding.yaml

manifests/exporters/kube-state-metrics-cluster-role.yaml

...us-operator/prometheus-operator-cluster-role-binding.yaml

...prometheus-operator/prometheus-operator-cluster-role.yaml

manifests/prometheus/prometheus-cluster-role-binding.yaml

manifests/prometheus/prometheus-cluster-role.yaml