[MacPorts] #64579: py310-pyobjc @7.3_2 fails to build on MacOS 10.15

[MacPorts]

#64579: py310-pyobjc @7.3_2 fails to build on MacOS 10.15
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  Reporter:  Gandoon    |      Owner:  danchr
      Type:  defect     |     Status:  assigned
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.7.1
Resolution:             |   Keywords:
      Port:  py-pyobjc  |
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Comment (by Gandoon):

 == Further update ==
 A more likely culprit might be the race conditions that have been
 mentioned in the Qt issue tracking system e.g. here:
 ​https://bugreports.qt.io/browse/PYSIDE-1760 and here: ​https://codereview
 .qt-project.org/c/pyside/pyside-setup/+/388252. Race conditions in pyobjc
 have been ​reported, fixed, and merged in September 2021 (v8.0 or 8.2), so
 maybe reneeotten is correct in suggesting updating the port.

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Ticket URL: <https://trac.macports.org/ticket/64579#comment:3>
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