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

Consistent boolean values in ansible playbooks

roles/bootstrap-os/tasks/opensuse.yml

@@ -8,9 +8,9 @@
 - name: Check that /etc/sysconfig/proxy file exists
   stat:
     path: /etc/sysconfig/proxy
-    get_attributes: no
-    get_checksum: no
-    get_mime: no
+    get_attributes: false
+    get_checksum: false
+    get_mime: false
   register: stat_result
 
 - name: Create the /etc/sysconfig/proxy empty file