Add kholidays dep

.kde-ci.yml

@@ -5,6 +5,7 @@ Dependencies:
 - 'on': ['@all']
   'require':
     'frameworks/extra-cmake-modules': '@latest'
+    'frameworks/kholidays' : '@latest'
     'pim/akonadi' : '@same'
     'pim/akonadi-calendar' : '@same'
     'pim/akonadi-contacts' : '@same'