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

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/list-shadow' 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:

  bc9e3eb... stylesheet: List/card style tweaks
  07faf09... stylesheet: Fix border-radius on boxed list rows
  39e8ac0... fixup! stylesheet: List/card style tweaks

Commits added to the branch:

  726e527... general: Use G_DEFINE_FINAL_TYPE for final types (*)
  a289f08... general: Depend on glib 2.66 for now (*)
  4a1bf16... swipe-tracker: Split begin-swipe and prepare (*)
  2bad3db... flap: Fix typo in doc (*)
  9ddfee3... stylesheet: List/card style tweaks
  affb0eb... stylesheet: Fix border-radius on boxed list rows

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