[MacPorts] #47217: groovy @2.4.1_0: update to 2.4.2

[MacPorts]

#47217: groovy @2.4.1_0: update to 2.4.2
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 Reporter:  nils@…               |      Owner:  macports-tickets@…
     Type:  defect               |     Status:  new
 Priority:  Normal               |  Milestone:
Component:  ports                |    Version:  2.3.3
 Keywords:  haspatch maintainer  |       Port:  groovy
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 Changelog: http://www.groovy-lang.org/changelogs/changelog-2.4.2.html

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Ticket URL: <https://trac.macports.org/ticket/47217>
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