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/libs/helper.py

@@ -269,8 +269,8 @@ class TokenManager:
         cls,
         token_type: str,
         account: Optional["Account"] = None,
-        email: Optional[str] = None,
-        additional_data: Optional[dict] = None,
+        email: str | None = None,
+        additional_data: dict | None = None,
     ) -> str:
         if account is None and email is None:
             raise ValueError("Account or email must be provided")
@@ -312,19 +312,19 @@ class TokenManager:
         redis_client.delete(token_key)
 
     @classmethod
-    def get_token_data(cls, token: str, token_type: str) -> Optional[dict[str, Any]]:
+    def get_token_data(cls, token: str, token_type: str) -> dict[str, Any] | None:
         key = cls._get_token_key(token, token_type)
         token_data_json = redis_client.get(key)
         if token_data_json is None:
             logger.warning("%s token %s not found with key %s", token_type, token, key)
             return None
-        token_data: Optional[dict[str, Any]] = json.loads(token_data_json)
+        token_data: dict[str, Any] | None = json.loads(token_data_json)
         return token_data
 
     @classmethod
-    def _get_current_token_for_account(cls, account_id: str, token_type: str) -> Optional[str]:
+    def _get_current_token_for_account(cls, account_id: str, token_type: str) -> str | None:
         key = cls._get_account_token_key(account_id, token_type)
-        current_token: Optional[str] = redis_client.get(key)
+        current_token: str | None = redis_client.get(key)
         return current_token
 
     @classmethod