[3.11] gh-114107: test.pythoninfo logs Windows Developer Mode (GH-114121) (#114128)

gh-114107: test.pythoninfo logs Windows Developer Mode (GH-114121)

Also, don't skip the whole collect_windows() if ctypes is missing.

Log also ctypes.windll.shell32.IsUserAnAdmin().
(cherry picked from commit c77f552ec02040dfe14a0a3cb743d96eedffadec)

Co-authored-by: Victor Stinner <vstinner@python.org>