audio/audacity: Upgrade to 3.0.5
ChangeLog: https://wiki.audacityteam.org/wiki/Release_Notes_3.0.4
While here:
- Pet linters
- Add gdkpixbuf2 depdendency
PR: 258107
Reported by: xxjack12xx@gmail.com (maintainer)
Reviewed by: diizzy@, nc@, tatsuki_makino@hotmail.com