[MacPorts] #60456: gdal @3.0.4: update to 3.1.0

[MacPorts]

#60456: gdal @3.0.4: update to 3.1.0
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  Reporter:  Dave-Allured  |      Owner:  Veence
      Type:  update        |     Status:  assigned
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:
Resolution:                |   Keywords:
      Port:  gdal          |
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Comment (by Veence):

 Done. Darn, did I forget to rev bump the dependents?

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Ticket URL: <https://trac.macports.org/ticket/60456#comment:1>
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