Update type hints in core.py for consistency and clarity

Signed-off-by: Tsuyoshi Hombashi <tsuyoshi.hombashi@gmail.com>

Author: thombashi

simplesqlite/core.py

@@ -9,7 +9,7 @@
 from collections import OrderedDict, defaultdict
 from collections.abc import Sequence
 from sqlite3 import Connection, Cursor
-from typing import TYPE_CHECKING, Any, Callable, Final, List, Optional, Union, cast
+from typing import TYPE_CHECKING, Any, Callable, Final, Optional, Union, cast
 
 import pathvalidate
 import typepy
@@ -512,7 +512,7 @@ def select_as_dict(
         columns: Optional[Sequence[str]] = None,
         where: Optional[WhereQuery] = None,
         extra: Optional[str] = None,
-    ) -> "Optional[List[OrderedDict[str, Any]]]":
+    ) -> Optional[list[OrderedDict[str, Any]]]:
         """
         Get data in the database and return fetched data as a
         |OrderedDict| list.