[MacPorts] #46241: git-flow update: bump subport git-flow-avh v1.7.0 -> v1.8.0

[MacPorts]

#46241: git-flow update: bump subport git-flow-avh v1.7.0 -> v1.8.0
-------------------------------+---------------------------------
  Reporter:  jason-macports@…  |      Owner:  macports-tickets@…
      Type:  update            |     Status:  new
  Priority:  Normal            |  Milestone:
 Component:  ports             |    Version:  2.3.3
Resolution:                    |   Keywords:  haspatch maintainer
      Port:  git-flow-avh      |
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Comment (by ryandesign@…):

 Correct, the github portgroup does not have an option for archive URLs
 yet, because nobody has yet come up with a reason to do so. See #40518.

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Ticket URL: <https://trac.macports.org/ticket/46241#comment:5>
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