
Update the MAAS chart to use non-deprecated APIs [0], specifically addressing the following resource types: * ClusterRole * ClusterRoleBinding * Ingress * 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] Also includes an HTK uplift that includes updated Ingress templates. [2] 0: https://kubernetes.io/docs/reference/using-api/deprecation-guide/ 1: https://kubernetes.io/releases/ 2: https://review.opendev.org/c/openstack/openstack-helm-infra/+/813115 Change-Id: I5e78f1ab094666538ed419a78f6966a2ba295d6a