libadwaita: updated to 1.2.5

Version 1.2.5
=============

- Fix doc include path
- AdwAboutWindow
  - Fix :translator-credits property
- AdwCarousel
  - Fix scrolling to a recently inserted item
- AdwComboRow
  - Fix accessible role on the dropdown arrow
- AdwEntryRow
  - Fix accessibility
- AdwLeaflet
  - Fix back/forward mouse button handling
- AdwPreferencesWindow
  - Fix markup handling when searching
- AdwTabBar
  - Fix accessibility
- AdwToastOverlay
  - Fix width-for-height and height-for-width sizing
- AdwViewSwitcher
  - Set correct accessible role for icons
- AdwWindowTitle
  - Fix initial title visibility
- Build
  - Fix build on Windows
- Demo
  - Fix a critical when trying to set a non-image file as avatar
- Docs
  - Remove an erroneous mention of mnemonics in row subtitles
  - Mention the version .large-title is deprecated since
  - Fix successs/error color values
- Stylesheet
  - Fix button.card checked state

(adam)