[MacPorts] #62755: digikam: update to 8.4.0

[MacPorts]

#62755: digikam: update to 8.4.0
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  Reporter:  mascguy  |      Owner:  cgilles
      Type:  update   |     Status:  assigned
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:           |   Keywords:
      Port:  digikam  |
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Changes (by mohd-akram):

 * type:  defect => update


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Ticket URL: <https://trac.macports.org/ticket/62755#comment:8>
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