[MacPorts] #48407: Update io.js version from 2.0.2 to 2.4.0

[MacPorts]

#48407: Update io.js version from 2.0.2 to 2.4.0
------------------------+--------------------------------
 Reporter:  macports@…  |      Owner:  macports-tickets@…
     Type:  update      |     Status:  new
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:  2.3.3
 Keywords:              |       Port:  iojs
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 Version 2.3.3 was a critical security release. Have updated to latest
 version, as regular port updates stopped at 2.0.2.

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Ticket URL: <https://trac.macports.org/ticket/48407>
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