community/libadwaita: upgrade to 1.6.4
https://download.gnome.org/sources/libadwaita/1.6/libadwaita-1.6.4.news
huh, apparently forgot to open the MR
(3.21 counterpart: !79509 (merged))
https://download.gnome.org/sources/libadwaita/1.6/libadwaita-1.6.4.news
huh, apparently forgot to open the MR
(3.21 counterpart: !79509 (merged))