[MacPorts] #60135: gdal @3.0.3: update to 3.0.4

[MacPorts]

#60135: gdal @3.0.3: update to 3.0.4
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 Reporter:  Dave-Allured  |      Owner:  Veence
     Type:  update        |     Status:  assigned
 Priority:  Normal        |  Milestone:
Component:  ports         |    Version:
 Keywords:                |       Port:  gdal
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 3.0.4 adds 11 bug fixes.

 "In particular, upgrading to this release is strongly recommended for
 people creating GeoTIFF files in EPSG:3857 / WebMercator projection, and
 who used previous 3.0.x releases."

 Link to current release notes can be found here:
 [https://gdal.org/download.html]

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Ticket URL: <https://trac.macports.org/ticket/60135>
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