[ITA] ruby-nio4r 2.5.9

[Daisuke Fujimura via Cygwin-apps]

Hello,

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Cygportfile:
- https://cygwin.com/cgit/cygwin-packages/playground/tree/?h=ruby-nio4r

Packages, logs:
- https://github.com/cygwin/scallywag/actions/runs/5032657089

ruby-nio4r.cygport.diff
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