Update Docs for more recent versions of Gtk
As described in Teams/Websites/developer.gnome.org!145 (comment 1995787), the documentation for this module should reflect support for Gtk4. I am more than happy to do this.
As described in Teams/Websites/developer.gnome.org!145 (comment 1995787), the documentation for this module should reflect support for Gtk4. I am more than happy to do this.