[MacPorts] #55531: npm5 @5.5.1: update to 5.6.0

[MacPorts]

#55531: npm5 @5.5.1: update to 5.6.0
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 Reporter:  l2dy    |      Owner:  light@…
     Type:  update  |     Status:  new
 Priority:  Normal  |  Milestone:
Component:  ports   |    Version:
 Keywords:          |       Port:  npm5
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Ticket URL: <https://trac.macports.org/ticket/55531>
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