Update downloads role to download to correct group (#4638)

roles/download/defaults/main.yml

@@ -531,7 +531,7 @@ downloads:
     tag: "{{ coredns_image_tag }}"
     sha256: "{{ coredns_digest_checksum|default(None) }}"
     groups:
-      - kube-node
+      - kube-master
 
   nodelocaldns:
     enabled: "{{ enable_nodelocaldns }}"
@@ -540,7 +540,7 @@ downloads:
     tag: "{{ nodelocaldns_image_tag }}"
     sha256: "{{ nodelocaldns_digest_checksum|default(None) }}"
     groups:
-      - kube-node
+      - k8s-cluster
 
   dnsautoscaler:
     enabled: "{{ dns_mode in ['coredns', 'coredns_dual'] }}"
@@ -549,7 +549,7 @@ downloads:
     tag: "{{ dnsautoscaler_image_tag }}"
     sha256: "{{ dnsautoscaler_digest_checksum|default(None) }}"
     groups:
-      - kube-node
+      - kube-master
 
   busybox:
     enabled: "{{ kube_network_plugin in ['kube-router'] }}"