Unable to play tracks from Niconico #123
Description
Niconico has completely shut down the old video delivery server (DMC) and completely migrated to the new video delivery system called DMS: https://blog.nicovideo.jp/niconews/205042.html
This has resulted in a change in the API specification, which no longer allows normal playback with lavaplayer.
As a reference, yt-dlp has already added support for DMS. I am not very familiar with java, so if you don't mind, please fix it.
(I used DeepL translator.)