pydantic cleanup

Signed-off-by: Jess Frazelle <github@jessfraz.com>

kittycad/models/api_token.py

@@ -1,6 +1,6 @@
 import datetime
 
-from pydantic import BaseModel
+from pydantic import BaseModel, ConfigDict
 
 from ..models.uuid import Uuid
 
@@ -21,3 +21,5 @@ class ApiToken(BaseModel):
     updated_at: datetime.datetime
 
     user_id: Uuid
+
+    model_config = ConfigDict(protected_namespaces=())