[MacPorts] #60234: stlink @1.6.0 Sync with upstream - mechanism explanation needed

[MacPorts]

#60234: stlink @1.6.0 Sync with upstream - mechanism explanation needed
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  Reporter:  chenguokai  |      Owner:  chenguokai
      Type:  update      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:
      Port:  stlink      |
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Comment (by reneeotten):

 I am not sure I understand: version 1.6.0 is the latest available from
 upstream and that's the version that is
 [https://ports.macports.org/port/stlink/summary currently in MacPorts].

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Ticket URL: <https://trac.macports.org/ticket/60234#comment:4>
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