Log Message:
ruby-gnome: update to 4.2.2.

Upstream changes:
 https://github.com/ruby-gnome/ruby-gnome/releases/tag/4.2.2

Ruby-GNOME 4.2.2: 2024-04-02

This is a GLib 2.80 support improvement release.

Changes

Ruby/GIO2

  * Improvements
      + Fixed a load error with GLib 2.80.
          o GH-1610
          o Reported by Dmitry Vorotilin

Ruby/GTK4

  * Improvements
      + Gtk::CssProvider#load(string:): Added.
          o GH-1608
          o Reported by Sami Sieranoja
      + Gtk::CssProvider#load(bytes:): Added.
          o GH-1608
          o Reported by Sami Sieranoja

Thanks

  * Sami Sieranoja
  * Dmitry Vorotilin