fix: add List/Tuple imports for _parse_sqs_message_events typing

Restores test collection after merge.

Author: vaquarkhan

burr/tracking/server/s3/backend.py

@@ -28,7 +28,7 @@
 import tempfile
 import uuid
 from collections import Counter
-from typing import Literal, Optional, Sequence, Type, TypeVar, Union
+from typing import List, Literal, Optional, Sequence, Tuple, Type, TypeVar, Union
 
 import fastapi
 import pydantic