[MacPorts] #57186: GPXSee: update to 6.0

[MacPorts]

#57186: GPXSee: update to 6.0
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 Reporter:  sikmir  |      Owner:  (none)
     Type:  update  |     Status:  new
 Priority:  Normal  |  Milestone:
Component:  ports   |    Version:
 Keywords:          |       Port:  GPXSee
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Ticket URL: <https://trac.macports.org/ticket/57186>
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