[MacPorts] #36343: Update Gwyddion to version 2.30

[MacPorts]

#36343: Update Gwyddion to version 2.30
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  Reporter:  feranick@…  |      Owner:  rowue@…
      Type:  update      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.1.2
Resolution:              |   Keywords:
      Port:  gwyddion    |
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Changes (by ryandesign@…):

 * owner:  macports-tickets@… => rowue@…
 * cc: yeti@… (added)


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Ticket URL: <https://trac.macports.org/ticket/36343#comment:1>
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