Log Message:
gtk4: updated to 4.12.5

Overview of Changes in 4.12.5, 17-01-2024
=========================================

* GtkColumnView:
 - Fix a crash on dispose

* GtkEmojiChooser:
 - Update to CLDR v44
 - Add more translations

* GtkFileDialog:
 - Return an error if no file is selected
 - Make closing the portal file chooser work

* GtkDropDown:
 - Fix display of the initial checkmark

* GtkShortcutsWindow:
 - Reduce the minimum width

* GDK:
 - Make the png loader safer against overflow

* Windows:
 - Use new clipboard api

* Wayland:
 - Fix cursor handling with graphics tablets

* macOS:
 - Silence secure-restore message
 - Fix build on macOS < 10.13

* Translation updates
 Basque
 British English
 Catalan
 Chinese (China)
 Czech
 Georgian
 German
 Hebrew
 Indonesian
 Lithuanian
 Persian
 Polish
 Romanian
 Russian
 Slovenian
 Swedish
 Turkish
 Ukrainian
 Vietnamese