[MacPorts] #57186: GPXSee: update to 6.0

[MacPorts]

#57186: GPXSee: update to 6.0
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  Reporter:  sikmir  |      Owner:  sikmir
      Type:  update  |     Status:  assigned
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:
Resolution:          |   Keywords:
      Port:  GPXSee  |
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Comment (by sikmir):

 PR is merged on GH, but I see no way, how can I close this ticket?

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Ticket URL: <https://trac.macports.org/ticket/57186#comment:4>
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