Update to upstream release 0.21.11
Details:
- Bugfix release, see https://raw.githubusercontent.com/MusicPlayerDaemon/MPD/v0.21.11/NEWS
- Mark TIDAL OPTION defunct: The Tidal streaming service made some changes to its protocol. The plugin can still be compiled, but it does currently not work. This is mentioned in the changelog (link above).
MFH: 2019Q3 (hat: ports-secteam)