[libadwaita] (3 commits) Non-fast-forward update to branch wip/exalm/halign-fixes

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/halign-fixes' 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:

  3e9d11c... demo: Remove unnecessary haligns
  fbfcee4... demo: Fix a typo
  f0004d6... demo: Stop bundling gtk and pango

Commits added to the branch:

  1e27700... demo: Remove unnecessary haligns
  df42e2a... demo: Fix a typo
  89c900f... demo: Stop bundling gtk and pango