DISTRHO Cardinal 22.06 release preparations #2

https://peertube.kx.studio/videos/watch/2b1ed2ec-ec31-45cf-8ddd-aef23db00b83

DISTRHO LiveStream tests

https://peertube.kx.studio/videos/watch/097c0e19-8496-4014-9c7f-8756270715b3