Change node-role.kubernetes.io from master to control-plane (#7183)

roles/kubernetes-apps/metrics_server/templates/metrics-server-deployment.yaml.j2

@@ -126,6 +126,8 @@ spec:
       tolerations:
         - key: node-role.kubernetes.io/master
           effect: NoSchedule
+        - key: node-role.kubernetes.io/control-plane
+          effect: NoSchedule
 {% endif %}
       affinity:
         nodeAffinity:
@@ -133,7 +135,11 @@ spec:
           - weight: 100
             preference:
               matchExpressions:
+{% if kube_version is version('v1.20.0', '<') %}
               - key: node-role.kubernetes.io/master
+{% else %}
+              - key: node-role.kubernetes.io/control-plane
+{% endif %}
                 operator: In
                 values:
                 - ""