libadwaita: upgrade 1.7.5 -> 1.7.6

Changes:
- AdwAlertDialog/AdwMessageDialog
  - Emit ::response when cancelled after calling choose()
- AdwDialog
  - Fix widget activation in window-backed dialogs
  - Fix set_focus() in window-backed dialogs
- AdwLayoutSlot
  - Error out if ID is not set
- AdwNavigationView
 - Defer swipe start to ::begin-swipe
- AdwTabOverview
  - Make button hitboxes larger
- AdwWrapLayout
  - Fix a memory leak
- Various fixes

(From OE-Core rev: e861561b354309b68fdfc11acd880b4beb90032c)

Signed-off-by: Simone Weiß <simone.p.weiss@posteo.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-gnome/libadwaita/libadwaita_1.7.5.bb → meta/recipes-gnome/libadwaita/libadwaita_1.7.6.bb

@@ -11,7 +11,7 @@ DEPENDS = " \
 
 inherit gnomebase gobject-introspection gi-docgen vala features_check
 
-SRC_URI[archive.sha256sum] = "c2c1813c967d45c0f49e907f8c26e66f68fe49dec6436e2d3349350ac9efbd2e"
+SRC_URI[archive.sha256sum] = "5eacc5550f0bdbba6a1568aebf25a3d88f5ee07d6b558becc6fd9487579c9a29"
 
 ANY_OF_DISTRO_FEATURES = "${GTK3DISTROFEATURES}"
 REQUIRED_DISTRO_FEATURES = "opengl"