[MacPorts] #47653: gradle: update to 2.4

[MacPorts]

#47653: gradle: update to 2.4
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 Reporter:  justinklaassen@…  |      Owner:  macports-tickets@…
     Type:  update            |     Status:  new
 Priority:  Normal            |  Milestone:
Component:  ports             |    Version:  2.3.3
 Keywords:  haspatch          |       Port:  gradle
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Ticket URL: <https://trac.macports.org/ticket/47653>
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