[RBAC] Add role binging for prometheus-server

In case of using RBAC in k8s we need to create role binding for
prometheus-server user to unlock creation of kubernetes-api target in
prometheus, otherwise we will get error:
`User \"prometheus-server\" cannot list nodes at the cluster scope`

Change-Id: I7ec27483f16169a5040aad24c9076c6361e02127
9 files changed