[libadwaita] (18 commits) Non-fast-forward update to branch wip/exalm/needs-attention

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/needs-attention' 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:

  278ea19... example: Update view switcher demo icons
  f0fe5a6... Add AdwIndicatorIcon
  88ba56b... view-switcher: Don't set needs-attention class on buttons
  3cc9426... view-switcher-button: Reimplement indicator as a widget

Commits added to the branch:

  5dfc25b... readme: Update links (*)
  4f6e828... doap: Add Alexander (*)
  fdabe76... Update POTFILES.in (*)
  aab6c89... Update Ukrainian translation (*)
  a12ac7a... Update Brazilian Portuguese translation (*)
  a8bb102... Drop duplicate icons (*)
  dc5914b... ci: Add ABI checker (*)
  5601880... ci: Work-around libabigail bug (*)
  879bb6e... ci: Work-around another libabigail problem (*)
  5c7741f... ci: Move API visibility script to .gitlab-ci/ (*)
  34b521e... ci: Use a container image for abi checker (*)
  24ebbc4... leaflet: Fix ordering in children_reversed (*)
  cd8f3a2... Stop translating properties (*)
  8269f69... shadow-helper: Remove a stray backslash (*)
  f5af6c9... example: Update view switcher demo icons
  ee25f45... Add AdwIndicatorBin
  80650cf... view-switcher: Don't set needs-attention class on buttons
  170540e... view-switcher-button: Reimplement indicator as a widget

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