add dict to ConfigValueType's union (#118)

Author: jkebinger

prefab_cloud_python/constants.py

@@ -2,5 +2,5 @@
 from datetime import timedelta
 
 NoDefaultProvided = object()
-ConfigValueType = Optional[Union[int, float, bool, str, list[str], timedelta]]
+ConfigValueType = Optional[Union[int, float, bool, str, list[str], timedelta, dict]]
 ContextDictType = dict[str, dict[str, ConfigValueType]]