gh-153903: Use @ctypes.util.wrap_dll_function()

[vstinner]

• Issue: Annotation-based decorator for ctypes function pointers #153903

[vstinner]

Tests / macOS (free-threading) / build and test (macos-26) (pull_request): Failing after 12m

test_idle failed, it looks unrelated to this PR.

FAIL: test_hidetip_on_mouse_leave (idlelib.idle_test.test_tooltip.HovertipTest.test_hidetip_on_mouse_leave)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/Users/runner/work/cpython/cpython/Lib/idlelib/idle_test/test_tooltip.py", line 156, in test_hidetip_on_mouse_leave
self.assertFalse(self.is_tipwindow_shown(tooltip))
~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: True is not false

[freakboy3742]

Reviewed after merge, but looks like a good cleanup to me.