fix: Corrected exclude parameter to accept valid arguments (#35)

Author: IgorFreitasCruz

{{cookiecutter.project_slug}}/backend/app/app/schemas/base_schema.py

@@ -11,7 +11,7 @@
 class BaseSchema(BaseModel):
     @property
     def as_db_dict(self):
-        to_db = self.model_dump(exclude_defaults=True, exclude_none=True, exclude={"identifier, id"})
+        to_db = self.model_dump(exclude_defaults=True, exclude_none=True, exclude={"identifier", "id"})
         for key in ["id", "identifier"]:
             if key in self.model_dump().keys():
                 to_db[key] = self.model_dump()[key].hex