[MacPorts] #60738: py-gdal: Update to 3.1.1

[MacPorts]

#60738: py-gdal: Update to 3.1.1
-------------------------+----------------------
  Reporter:  ryandesign  |      Owner:  petrrr
      Type:  update      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:
      Port:  py-gdal     |
-------------------------+----------------------

Comment (by Dave-Allured):

 There is an upcoming important bug fix in GDAL 3.1.2.  Release is slated
 for next Tuesday July 7.  Probably wait for that.

 See https://trac.macports.org/ticket/60784 etc.

-- 
Ticket URL: <https://trac.macports.org/ticket/60738#comment:1>
MacPorts <https://www.macports.org/>
Ports system for macOS