[MacPorts] #39104: gradle 1.6 upgrade

[MacPorts]

#39104: gradle 1.6 upgrade
----------------------------+--------------------------------
 Reporter:  poldwusmokow@…  |      Owner:  macports-tickets@…
     Type:  update          |     Status:  new
 Priority:  Normal          |  Milestone:
Component:  ports           |    Version:  2.1.3
 Keywords:                  |       Port:  gradle
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 gradle has been updated to version 1.6 recently. Please upgrade the
 portfile.

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Ticket URL: <https://trac.macports.org/ticket/39104>
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