Refactor state.py to remove unused List import

- Removed the unused List import from the state.py file to clean up the code and improve readability. This change helps maintain a more efficient and organized codebase.

Author: NiveditJain

state-manager/app/models/db/state.py

@@ -4,7 +4,7 @@
 from pydantic import Field
 from beanie import Insert, PydanticObjectId, Replace, Save, before_event
 from pymongo.results import InsertManyResult
-from typing import Any, Optional, List
+from typing import Any, Optional
 import hashlib
 import json