Bilal Elmoussaoui:
gdk: Export v4.18 feature
François Laignel:
gtk4: fix userdata mutability for FnMut callbacks
Sebastian Dröge:
Update gir
Regenerate with latest gir
Update Cargo.lock
Update gir-files
Regenerate with latest gir-files
Update versions to 0.9.4
Update -sys dependency versions