[MacPorts] #54808: poppler @0.57.0: update to 0.64.0

[MacPorts]

#54808: poppler @0.57.0: update to 0.64.0
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  Reporter:  l2dy     |      Owner:  dbevans
      Type:  update   |     Status:  new
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:           |   Keywords:  security
      Port:  poppler  |
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Comment (by pmetzger):

 Is kf5 hard to provide? I'm in favor of just breaking Okular etc. for now
 given that this is a security issue.

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Ticket URL: <https://trac.macports.org/ticket/54808#comment:20>
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