Update typing_extensions imports in third-party stubs (#11245)

stubs/requests/requests/compat.pyi

@@ -1,6 +1,7 @@
 from builtins import bytes as bytes, str as str
 from collections import OrderedDict as OrderedDict
-from typing_extensions import Literal, TypeAlias
+from typing import Literal
+from typing_extensions import TypeAlias
 from urllib.parse import (
     quote as quote,
     quote_plus as quote_plus,

stubs/requests/requests/help.pyi

@@ -1,4 +1,4 @@
-from typing_extensions import TypedDict
+from typing import TypedDict
 
 class _VersionDict(TypedDict):
     version: str

stubs/requests/requests/sessions.pyi

@@ -1,7 +1,7 @@
 from _typeshed import Incomplete, SupportsItems, SupportsRead, Unused
 from collections.abc import Callable, Iterable, Mapping, MutableMapping
-from typing import Any
-from typing_extensions import Self, TypeAlias, TypedDict
+from typing import Any, TypedDict
+from typing_extensions import Self, TypeAlias
 
 from urllib3._collections import RecentlyUsedContainer