Update typing_extensions imports in stdlib (#11244)

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

stdlib/hashlib.pyi

@@ -1,8 +1,8 @@
 import sys
 from _typeshed import ReadableBuffer
 from collections.abc import Callable, Set as AbstractSet
-from typing import Protocol
-from typing_extensions import Self, final
+from typing import Protocol, final
+from typing_extensions import Self
 
 if sys.version_info >= (3, 11):
     __all__ = (