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/model_runtime/utils/encoders.py

@@ -8,7 +8,7 @@ from ipaddress import IPv4Address, IPv4Interface, IPv4Network, IPv6Address, IPv6
 from pathlib import Path, PurePath
 from re import Pattern
 from types import GeneratorType
-from typing import Any, Literal, Optional, Union
+from typing import Any, Literal, Union
 from uuid import UUID
 
 from pydantic import BaseModel
@@ -98,7 +98,7 @@ def jsonable_encoder(
     exclude_unset: bool = False,
     exclude_defaults: bool = False,
     exclude_none: bool = False,
-    custom_encoder: Optional[dict[Any, Callable[[Any], Any]]] = None,
+    custom_encoder: dict[Any, Callable[[Any], Any]] | None = None,
     sqlalchemy_safe: bool = True,
 ) -> Any:
     custom_encoder = custom_encoder or {}