[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@…):

 Sorry about that, you should update the documentation then which implies
 that macports-dev should be cc'd if a port has no-maintainer.

 https://guide.macports.org/#project.contributing.updates

 "9. If your ticket doesn't receive any attention within a few days (for
 example, because the port you are trying to modify does not have a
 maintainer), you may email <macports-dev at lists.macosforge.org> and request
 a review and/or commit."

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Ticket URL: <https://trac.macports.org/ticket/46417#comment:3>
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