[libadwaita] (4 commits) Non-fast-forward update to branch wip/exalm/warning

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/warning' 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:

  33898f3... demo: Fix a g_autofree warning in CI

Commits added to the branch:

  1772651... _lists.scss: Remove listview.content (*)
  80445e1... stylesheet: Add .boxed-list and swap uses of .content (*)
  e7c7ae5... doc: Mention that .content and .boxed-list are unsupported  (*)
  675ff12... demo: Fix a g_autofree warning in CI

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