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

stubs/stripe/stripe/api_resources/search_result_object.pyi

@@ -1,6 +1,6 @@
 from collections.abc import Iterator
-from typing import Any, ClassVar, Generic, TypeVar
-from typing_extensions import Literal, Self
+from typing import Any, ClassVar, Generic, Literal, TypeVar
+from typing_extensions import Self
 
 from stripe.stripe_object import StripeObject
 

stubs/stripe/stripe/api_resources/test_helpers/test_clock.pyi

@@ -1,5 +1,5 @@
-from typing import Any
-from typing_extensions import Literal, Self
+from typing import Any, Literal
+from typing_extensions import Self
 
 from stripe.api_resources.abstract import CreateableAPIResource, DeletableAPIResource, ListableAPIResource
 

stubs/stripe/stripe/webhook.pyi

@@ -1,4 +1,4 @@
-from typing_extensions import Literal
+from typing import Literal
 
 from stripe import Event, error as error