update to latest 2.26.0 kubespray version and add dns zones settings to coredns

kubespray/project/roles/kubernetes/kubeadm/defaults/main.yml

@@ -4,6 +4,9 @@
 discovery_timeout: 60s
 kubeadm_join_timeout: 120s
 
+# Enable kubeadm file discovery if anonymous access has been removed
+kubeadm_use_file_discovery: "{{ remove_anonymous_access }}"
+
 # If non-empty, will use this string as identification instead of the actual hostname
 kube_override_hostname: >-
   {%- if cloud_provider is defined and cloud_provider in ['aws'] -%}