typing_extensions: harmonise __all__ with __all__ at runtime (#8165)

stdlib/typing_extensions.pyi

@@ -37,6 +37,8 @@ __all__ = [
     "Final",
     "LiteralString",
     "ParamSpec",
+    "ParamSpecArgs",
+    "ParamSpecKwargs",
     "Self",
     "Type",
     "TypeVarTuple",
@@ -158,6 +160,8 @@ if sys.version_info >= (3, 10):
     from typing import (
         Concatenate as Concatenate,
         ParamSpec as ParamSpec,
+        ParamSpecArgs as ParamSpecArgs,
+        ParamSpecKwargs as ParamSpecKwargs,
         TypeAlias as TypeAlias,
         TypeGuard as TypeGuard,
         is_typeddict as is_typeddict,