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

[MacPorts]

#53851: Add target 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 l2dy):

 I think a consistent way for port maintainers to warn others that updating
 this port requires special handling is needed if we add this target.

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Ticket URL: <https://trac.macports.org/ticket/53851#comment:15>
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