[MixcloudBridge] switch to using API (#2591)
[MixcloudBridge] switch to using API (#2591)

* switch to using public API

* switch to different API endpoints

* fix: urlencode username

Co-authored-by: Dag <b1c1d8736f20db3fb6c1c66bb1455ed43909f0d8@dvikan.no>
RSS-Bridge/rss-bridge,Riduidel/rss-bridge,Riduidel/rss-bridge,ORelio/rss-bridge,Riduidel/rss-bridge,ORelio/rss-bridge,ORelio/rss-bridge,RSS-Bridge/rss-bridge,RSS-Bridge/rss-bridge