ISTWCMS-5361: adding auth site permission for site owner

src/UwRoles/user.role.uw_role_site_owner.yml

@@ -43,6 +43,7 @@ permissions:
   - 'assign roles'
   - 'can override my_dashboard dashboard'
   - 'can view my_dashboard dashboard'
+  - 'configure authenticated sites'
   - 'create and edit custom blocks'
   - 'customize shortcut links'
   - 'edit users role expire'