libadwaita: update 1.4.0 -> 1.4.2

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Version 1.4.2
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- Really fix build with libappstream 1.0

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Version 1.4.1
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- Fix build with MSVC
- Fix build with libappstream 1.0
- AdwCarousel
  - Fix carousel scroll behavior with page reordering
- AdwComboRow
  - Fix focus when opening the popover
  - Set the correct state on the selected checkmark
- AdwNavigationView
  - Fix a warning message
- AdwTabOverview
  - Allow child focus on out animations
- AdwTabView
  - Keep view alive during ::page-detached
  - Fix crashes when using :pages
- Docs
  - Fix erroneous <child> use in breakpoints migration guide
- Translation updates
  - Russian
  - Serbian

Signed-off-by: Markus Volk <f_l_k@t-online.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>