[libadwaita] (9 commits) Non-fast-forward update to branch wip/exalm/tab-overview

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/tab-overview' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  58a1168... demo: Update tab indicator icons
  66406a2... icons: Update default tab icon
  4e08986... Add AdwTabButton
  f244858... Add AdwTabOverview
  17fcdc8... Demo

Commits added to the branch:

  c8ec0a3... Update Abkhazian translation (*)
  36a057b... stylesheet: Fix view switcher dot color (*)
  4c3e887... stylesheet: Fix focus transitions (*)
  4fcd137... demo: Fix a critical when toggling tab indicators (*)
  19d7b22... demo: Update tab indicator icons
  b92e3f4... icons: Update default tab icon
  dec917f... Add AdwTabButton
  7b92177... Add AdwTabOverview
  dfc7c77... Demo

(*) This commit already existed in another branch; no separate mail sent