[MacPorts] #46417: gradle: Update to v2.2.1

[MacPorts]

#46417: gradle: Update to v2.2.1
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  Reporter:  justinklaassen@…  |      Owner:  macports-tickets@…
      Type:  update            |     Status:  new
  Priority:  Normal            |  Milestone:
 Component:  ports             |    Version:
Resolution:                    |   Keywords:  haspatch
      Port:  gradle            |
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Comment (by justinklaassen@…):

 FWIW, it must be somehow implied or I wouldn't have done it.  IMO, it
 should be made clearer what to do when a port has no-maintainer.

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Ticket URL: <https://trac.macports.org/ticket/46417#comment:5>
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