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

stubs/Pygments/pygments/lexers/javascript.pyi

@@ -1,5 +1,5 @@
 from collections.abc import Iterator
-from typing_extensions import Final
+from typing import Final
 
 from ..lexer import Lexer, RegexLexer
 from ..token import _TokenType

stubs/Pygments/pygments/lexers/kusto.pyi

@@ -1,4 +1,4 @@
-from typing_extensions import Final
+from typing import Final
 
 from ..lexer import RegexLexer
 

stubs/Pygments/pygments/style.pyi

@@ -1,5 +1,5 @@
 from collections.abc import Iterator, Mapping, Set as AbstractSet
-from typing_extensions import TypedDict
+from typing import TypedDict
 
 from pygments.token import _TokenType