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/tools/custom_tool/tool.py

@@ -2,7 +2,7 @@ import json
 from collections.abc import Generator
 from dataclasses import dataclass
 from os import getenv
-from typing import Any, Optional, Union
+from typing import Any, Union
 from urllib.parse import urlencode
 
 import httpx
@@ -376,9 +376,9 @@ class ApiTool(Tool):
         self,
         user_id: str,
         tool_parameters: dict[str, Any],
-        conversation_id: Optional[str] = None,
-        app_id: Optional[str] = None,
-        message_id: Optional[str] = None,
+        conversation_id: str | None = None,
+        app_id: str | None = None,
+        message_id: str | None = None,
     ) -> Generator[ToolInvokeMessage, None, None]:
         """
         invoke http request