[MacPorts] #53851: Add port action that bumps version and checksum

[MacPorts]

#53851: Add port action that bumps version and checksum
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  Reporter:  l2dy         |      Owner:  (none)
      Type:  enhancement  |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  base         |    Version:
Resolution:               |   Keywords:
      Port:               |
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Comment (by pmetzger):

 Zero King: I think we underuse tests, fwiw. If you have a "port test"
 available, you don't have to wonder if your bump broke a port.

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Ticket URL: <https://trac.macports.org/ticket/53851#comment:17>
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