libadwaita: upgrade 1.9.2 -> 1.9.3

libadwaita: upgrade 1.9.2 -> 1.9.3

=============
Version 1.9.3
=============

- AdwAboutDialog
  - Fix a bug with deselecting text in the legal section
- AdwSidebar
  - Fix item suffixes ending up after the arrow in page mode
- AdwTabOverview
  - Make sure we don't round corners in adaptive preview
- AdwWindow/AdwApplicationWindow
  - Fix false minimum size warnings in adaptive preview
- Translation updates
  - Norwegian Bokmål

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>