[libadwaita] (34 commits) Non-fast-forward update to branch wip/exalm/tabs

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/tabs' 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:

  69b93ea... animation: Add adw_ease_in_cubic()
  f4ad073... animation: Add adw_ease_in_out_cubic()
  da5c087... Add adw-bidi
  58e7651... Add AdwFadingLabel
  ea99de6... Add AdwTabView
  8c235aa... Add AdwTab
  459e5fa... Add AdwTabBox
  93ee4bb... Add AdwTabBar
  4d34c9d... Add styles for AdwTab*
  cedf763... demo: Add a AdwTabView/AdwTabBar example

Commits added to the branch:

  a40ab71... leaflet: Increase reference only if page is non-NULL (*)
  1ed585f... squeezer: Increase reference only if page is non-NULL (*)
  b23b222... leaflet: Fix check if page is selected (*)
  7037dc9... squeezer: Fix check if page is selected (*)
  8f43497... readme: Update the matrix room link (*)
  3f0df1a... meson: Avoid a trailing slash on libdir and datadir (*)
  9e4ac48... preferences-page: Support mnemonics (*)
  72091ef... view-switcher-button: Support use-underline (*)
  e086fa0... preferences-window: Strip underlines from search view rows (*)
  77243b8... demo: Add mnemonics to preference pages (*)
  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 (*)
  de27a65... animation: Add adw_ease_in_cubic()
  90f2a52... animation: Add adw_ease_in_out_cubic()
  cdc75f5... Add adw-bidi
  33439d1... Add AdwFadingLabel
  6c7c85a... Add AdwTabView
  429e33b... Add AdwTab
  07f4a3e... Add AdwTabBox
  f5f5ac6... Add AdwTabBar
  3b37bd8... Add styles for AdwTab*
  0926f99... demo: Add a AdwTabView/AdwTabBar example

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