[libadwaita] Non-fast-forward update to branch wip/exalm/deprecations

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/deprecations' 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:

  6c56fd4... message-dialog: Stop using AdwSqueezer
  a21f5b1... wip: Adaptive states
  ab46d67... view-switcher-button: Ellipsize horizontal labels too
  95d580e... preferences-window: Port to adaptive states
  bb5b103... demo: Port tab bar window to adaptive states
  cfdc4ae... demo: Port style class demo to adaptive states
  dfaec72... demo: Port view switcher demo to adaptive states
  f545166... AdwBrowsingView
  cf9ef83... header-bar: Pull title from browsing view children
  4d85619... header-bar: Magic back buttons
  9f41847... about-window: Port to browsing view
  497ed15... demo
  5e17fd0... demo
  1902433... Fix GtkStyleContext deprecations

Commits added to the branch:

  426e364... Fix GtkStyleContext deprecations