[LAA] ZPlugins 0.2.1 release

ZPlugins v0.2.1 has been released! ZPlugins is a collection of LV2 plugins intended to be bundled with the Zrythm DAW. The following plugins are available: ZChordz - plays chords using white keys ZCompressorSP - compressor ZLimiterSP - peak limiter ZLFO - full-featured LFO for CV-based automation ZPhaserSP - stereo phaser ZSaw - supersaw synth with 1 parameter ZVerbSP - reverb based on zita-rev Changes in 0.2.1: ### Added - Add carla-single test ### Fixed - ZSaw: Fix crash on deactivate - ZLFO: Fix non-unique scale points for sync_rate - Fix lv2lint/lv2_validate tests # Links Home page: <https://www.zrythm.org/en/plugins.html> Issue trackers: <https://sr.ht/~alextee/zrythm/trackers> Git repositories: <https://git.zrythm.org/cgit/zplugins>