Update remaining ParamSpec test example to use list instead of tuple

Author: VanshAgarwal24036

Lib/test/test_typing.py

@@ -592,7 +592,7 @@ def test_constructor(self):
         self.assertIs(T.__contravariant__, False)
         self.assertIs(T.__infer_variance__, False)
 
-        T = TypeVar(name="T", default=())
+        T = TypeVar(name="T", default=[])
         self.assertEqual(T.__name__, "T")
         self.assertEqual(T.__constraints__, ())
         self.assertIs(T.__bound__, None)