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

roles/kubernetes-apps/ansible/templates/coredns-deployment.yml.j2

@@ -31,6 +31,8 @@ spec:
       tolerations:
         - key: node-role.kubernetes.io/master
           effect: NoSchedule
+        - key: node-role.kubernetes.io/control-plane
+          effect: NoSchedule
 {% if dns_extra_tolerations | default(None) %}
         {{ dns_extra_tolerations | list | to_nice_yaml(indent=2) | indent(8) }}
 {% endif %}
@@ -46,7 +48,11 @@ 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:
                 - ""