Do not use ‘yes/no’ for boolean values (#11472)

Consistent boolean values in ansible playbooks

tests/testcases/010_check-apiserver.yml

@@ -6,7 +6,7 @@
   - name: Check the API servers are responding
     uri:
       url: "https://{{ access_ip | default(ansible_default_ipv4.address) }}:{{ kube_apiserver_port | default(6443) }}/version"
-      validate_certs: no
+      validate_certs: false
       status_code: 200
     register: apiserver_response
     retries: 12