[MacPorts] #62955: Update icu to 69.1

[MacPorts]

#62955: Update icu to 69.1
------------------------+-------------------------
 Reporter:  ghosthound  |      Owner:  ghost hound
     Type:  defect      |     Status:  assigned
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:
 Keywords:              |       Port:  icu
------------------------+-------------------------
 Update icu to 69.1

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Ticket URL: <https://trac.macports.org/ticket/62955>
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