chore: bump publiccode.yml to v0.3

publiccode.yml

@@ -2,15 +2,14 @@
 # metadata file that makes public software easily discoverable.
 # More info at https://github.com/italia/publiccode.yml
 
-publiccodeYmlVersion: '0.2'
+publiccodeYmlVersion: '0.3'
 categories:
   - digital-asset-management
 description:
   it:
     documentation: 'https://www.audacityteam.org/help/documentation/'
     features:
       - audio editing
-    genericName: Audio software
     screenshots:
       - https://www.audacityteam.org/wp-content/uploads/2020/10/01-Audacity-Rhythm-Track-and-mono-vocal-track-waveform-view.png
       - https://www.audacityteam.org/wp-content/uploads/2020/10/03-Audacity-in-Multi-view-with-a-spectral-selection.png