ensure if we get a non-Task object in _get_delegated_vars, we return early (#44934)

lib/ansible/vars/manager.py

@@ -487,6 +487,10 @@ class VariableManager:
         return variables
 
     def _get_delegated_vars(self, play, task, existing_variables):
+        if not hasattr(task, 'loop'):
+            # This "task" is not a Task, so we need to skip it
+            return {}
+
         # we unfortunately need to template the delegate_to field here,
         # as we're fetching vars before post_validate has been called on
         # the task that has been passed in