Updated: ruby-puma 6.2.2, ruby-syck 1.4.1, ruby-yajl 1.4.3, ruby-zoom 0.5.0

[Daisuke Fujimura via Cygwin-announce]

The following packages have been uploaded to the Cygwin distribution:

* ruby-puma 6.2.2-1
* ruby-syck 1.4.1-1
* ruby-yajl 1.4.3-1
* ruby-zoom 0.5.0-4