Update applicable charts to use non-deprecated APIs [0], specifically
addressing the following resource types:
* ClusterRole
* ClusterRoleBinding
* Role
* Rolebinding
The APIs being migrated to are available in v1.19 or earlier. As of this
change, v1.19 is the oldest supported Kubernetes version, slated for EOL
on 2021-10-28. [1]
0: https://kubernetes.io/docs/reference/using-api/deprecation-guide/
1: https://kubernetes.io/releases/
Change-Id: I134b201d9ae01a8d74e34ee14f3bfe3b960cb5aa