[MacPorts] #64518: Update Qt5 to last stable 5.15.14

[MacPorts]

#64518: Update Qt5 to last stable 5.15.14
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  Reporter:  cgilles  |      Owner:  reneeotten
      Type:  update   |     Status:  assigned
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:           |   Keywords:
      Port:  qt5      |
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Changes (by cgilles):

 * owner:  MarcusCalhoun-Lopez => reneeotten


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Ticket URL: <https://trac.macports.org/ticket/64518#comment:10>
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