[MacPorts] #60784: gdal @3.1.1: update to 3.1.2

[MacPorts]

#60784: gdal @3.1.1: update to 3.1.2
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  Reporter:  Dave-Allured                           |      Owner:  Veence
      Type:  update                                 |     Status:  closed
  Priority:  Normal                                 |  Milestone:
 Component:  ports                                  |    Version:
Resolution:  fixed                                  |   Keywords:
      Port:  gdal gmt4 gmt5 gmt6 postgis2 postgis3  |
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Comment (by ryandesign):

 [1215834423af9d97c3b349fcbc44ee55e4d6d2db/macports-ports]

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Ticket URL: <https://trac.macports.org/ticket/60784#comment:5>
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