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

Consistent boolean values in ansible playbooks

roles/kubernetes/node/tasks/loadbalancer/haproxy.yml

@@ -17,14 +17,14 @@
     dest: "{{ haproxy_config_dir }}/haproxy.cfg"
     owner: root
     mode: "0755"
-    backup: yes
+    backup: true
 
 - name: Haproxy | Get checksum from config
   stat:
     path: "{{ haproxy_config_dir }}/haproxy.cfg"
-    get_attributes: no
-    get_checksum: yes
-    get_mime: no
+    get_attributes: false
+    get_checksum: true
+    get_mime: false
   register: haproxy_stat
 
 - name: Haproxy | Write static pod