chore: add ast-grep rule to convert Optional[T] to T | None (#25560)

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

api/core/ops/utils.py

@@ -1,6 +1,6 @@
 from contextlib import contextmanager
 from datetime import datetime
-from typing import Optional, Union
+from typing import Union
 from urllib.parse import urlparse
 
 from sqlalchemy import select
@@ -49,9 +49,7 @@ def replace_text_with_content(data):
         return data
 
 
-def generate_dotted_order(
-    run_id: str, start_time: Union[str, datetime], parent_dotted_order: Optional[str] = None
-) -> str:
+def generate_dotted_order(run_id: str, start_time: Union[str, datetime], parent_dotted_order: str | None = None) -> str:
     """
     generate dotted_order for langsmith
     """