[libadwaita] (6 commits) Non-fast-forward update to branch wip/exalm/exclusive-toggles

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/exclusive-toggles' 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:

  637a991... stylesheet: Add .exclusive style
  1384074... demo: Use .exclusive instead of .linked for flap toggles

Commits added to the branch:

  7dbcd39... stylesheet: Fix menubutton.raised
  0329cad... stylesheet: Move needs-attention styles to _common.scss
  5ebdb28... stylesheet: Restrict .linked to box and grid
  202b7df... stylesheet: Add .exclusive style
  3a76f0d... stylesheet: Use exclusive toggle style for GtkStackSwitcher
  d52fb85... demo: Use .exclusive instead of .linked for flap toggles