icon: update app icon

- GNOME 3.32 redesign of app icons.
  See Initiatives#2
  for more info.

/label ~"9. Initiative: AppIconRedesign"
3 jobs for wip/jimmac/app-icon-redesign in 19 minutes and 32 seconds (queued for 1 second)
Status Job ID Name Coverage
  Flatpak
passed #116783
flatpak:master

00:18:42

 
  Review
passed #116784
review

00:00:25

passed #116785
allowed to fail manual
stop_review

00:00:24