Log Message:
ruby-gnome: update to 4.1.2.

Upstream changes:
 https://github.com/ruby-gnome/ruby-gnome/releases/tag/4.1.2

Ruby-GNOME 4.1.2: 2023-02-24

This is a release to improve support for the latest GNOME related libraries.

 Changes

 Ruby/GLib2

  * Improvements

      + Added support for GLib 2.75 or later. [GH-1547] [Reported by Mamoru
        TASAKA]

 Ruby/GObjectIntrospection

  * Improvements

      + Improved wrong arguments error message for #initialize. [GH-1545]
        [Reported by D-W-L]

 Ruby/GTK4

  * Improvements

      + Added support for GTK 4.9.3 or later. [GH-1548] [Reported by Mamoru
        TASAKA]

      + Added an example. [GH-1549] [Patch by Toshio Sekiya]

 Thanks

  * D-W-L

  * Mamoru TASAKA

  * Toshio Sekiya