Remove GUID and VIN as requried components (#364)

* Update NotificationResponseModel for non-required field

* Removed VIN as a required value

VIN only part of the payload for each notification payload.

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Co-authored-by: GitOldGrumpy <[email protected]>

Author: ajain-93

mytoyota/models/endpoints/notifications.py

@@ -43,7 +43,7 @@ class NotificationModel(BaseModel):
 
 
 class _PayloadItemModel(BaseModel):
-    vin: str
+    vin: str = None
     notifications: List[NotificationModel]
 
 
@@ -61,7 +61,7 @@ class NotificationResponseModel(BaseModel):
 
     """
 
-    guid: UUID
+    guid: UUID = None
     status_code: int = Field(alias="statusCode")
     headers: _HeadersModel
     body: str