Update typing_extensions imports in stdlib (#11244)

Co-authored-by: AlexWaygood <alex.waygood@gmail.com>

stdlib/asyncio/sslproto.pyi

@@ -3,8 +3,8 @@ import sys
 from collections import deque
 from collections.abc import Callable
 from enum import Enum
-from typing import Any, ClassVar
-from typing_extensions import Literal, TypeAlias
+from typing import Any, ClassVar, Literal
+from typing_extensions import TypeAlias
 
 from . import constants, events, futures, protocols, transports