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/utils/dataset_retriever/dataset_retriever_base_tool.py

@@ -1,5 +1,4 @@
 from abc import ABC, abstractmethod
-from typing import Optional
 
 from pydantic import BaseModel, ConfigDict
 
@@ -13,7 +12,7 @@ class DatasetRetrieverBaseTool(BaseModel, ABC):
     description: str = "use this to retrieve a dataset. "
     tenant_id: str
     top_k: int = 4
-    score_threshold: Optional[float] = None
+    score_threshold: float | None = None
     hit_callbacks: list[DatasetIndexToolCallbackHandler] = []
     return_resource: bool
     retriever_from: str

api/core/tools/utils/dataset_retriever/dataset_retriever_tool.py

@@ -1,4 +1,4 @@
-from typing import Any, Optional, cast
+from typing import Any, cast
 
 from pydantic import BaseModel, Field
 from sqlalchemy import select
@@ -37,7 +37,7 @@ class DatasetRetrieverTool(DatasetRetrieverBaseTool):
     args_schema: type[BaseModel] = DatasetRetrieverToolInput
     description: str = "use this to retrieve a dataset. "
     dataset_id: str
-    user_id: Optional[str] = None
+    user_id: str | None = None
     retrieve_config: DatasetRetrieveConfigEntity
     inputs: dict