[MacPorts] #63895: ruby ports: enable parallel builds

[MacPorts]

#63895: ruby ports: enable parallel builds
----------------------+----------------------
  Reporter:  mascguy  |      Owner:  kimuraw
      Type:  defect   |     Status:  assigned
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:  2.7.1
Resolution:           |   Keywords:  ruby
      Port:  ruby*    |
----------------------+----------------------
Changes (by mascguy):

 * port:  ruby{,186,19,2{0..7},30} => ruby*


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Ticket URL: <https://trac.macports.org/ticket/63895#comment:1>
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