debug and fix the PyQt 5.15.9 / Windows / Python 3.11 QML issue

[altendky]

#110 (comment)

On Windows 3.11 Qt 5 (not 3.8-3.10 nor Qt 6 on 3.11) there's some goofy thing with the QML paths or something.
https://github.com/altendky/pyqt-plugins/actions/runs/4516468364/jobs/7954838476#step:14:109
file:///D:/a/pyqt-plugins/pyqt-plugins/.tox/py311-qt5/Lib/site-packages/pyqt5_plugins/examples/qmldir:-1 plugin cannot be loaded for module "D:.a.pyqt-plugins.pyqt-plugins..py311-qt5.Lib.site-packages.pyqt5_plugins.examples": Module namespace 'examples' does not match import URI 'D:.a.pyqt-plugins.pyqt-plugins..py311-qt5.Lib.site-packages.pyqt5_plugins.examples'