Define Detail.min_age as Optional[int]. Some title ids like 1112541137 have no min age

Author: sanzc

xbox/webapi/api/provider/titlehub/models.py

@@ -68,7 +68,7 @@ class Detail(CamelCaseModel):
     developer_name: str
     genres: Optional[List[str]] = None
     publisher_name: str
-    min_age: int
+    min_age: Optional[int] = None
     release_date: Optional[datetime] = None
     short_description: Optional[str] = None
     vui_display_name: Optional[str] = None