[ITA] ruby-glib2 4.1.7

[Daisuke Fujimura via Cygwin-apps]

Hello,

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Cygportfile:
- https://cygwin.com/cgit/cygwin-packages/playground/tree/?h=ruby-glib2

Packages, logs:
- https://github.com/cygwin/scallywag/actions/runs/5228739944

Changes
- Remove 2.2.0-rubygem-dirs.patch (Not applicable)
- Add ldflags to output implib explicitly

ruby-glib2.diff
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