[MacPorts] #50667: Update pv to 1.6.0

[MacPorts]

#50667: Update pv to 1.6.0
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  Reporter:  eborisch@…  |      Owner:  mark.carver@…
      Type:  update      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.3.4
Resolution:              |   Keywords:  haspatch
      Port:  pv          |
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Comment (by mark.carver@…):

 I'm actually no longer using MacPorts (switched to brew a long time ago).
 I would prefer someone take over this port.

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Ticket URL: <https://trac.macports.org/ticket/50667#comment:1>
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