[libadwaita] (15 commits) Non-fast-forward update to branch wip/exalm/dark

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/dark' 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:

  68c652f... Add AdwSettings
  67d1974... Add AdwStyleManager
  1398b64... application: Add style-manager property
  da1531f... application: Remove gtk-application-prefer-dark-theme menti
  9f7c5f4... application: Use AdwStyleManager properties to control styl
  0c893ac... demo: Rework the dark mode button
  6c46d81... doc: Mention HdyStyleManager in migration guide
  9c9b93d... doc: Mention default color scheme change in migration guide

Commits added to the branch:

  e2c030b... Drop gitattributes (*)
  e2dd9a2... button-content: Fix setting icon name (*)
  3f4e0d3... carousel: Check if the widget is a child in scroll_to_full( (*)
  da5bf66... avatar: Replace draw_to_pixbuf() with draw_to_texture() (*)
  1a6d235... ci: Bump ABI break commit (*)
  ce2b1bf... leaflet: Clean up homogeneous properties (*)
  e20f39b... ci: Bump ABI break commit (*)
  60ec69f... Add AdwSettings
  8f99e62... Add AdwStyleManager
  e67d767... application: Add style-manager property
  b713a37... application: Remove gtk-application-prefer-dark-theme menti
  1433520... application: Use AdwStyleManager properties to control styl
  6c3bd96... demo: Rework the dark mode button
  e10662d... doc: Mention HdyStyleManager in migration guide
  27e9505... doc: Mention default color scheme change in migration guide

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