[MacPorts] #69880: icu: update to 75.1

[MacPorts]

#69880: icu: update to 75.1
------------------------+--------------------
 Reporter:  mohd-akram  |      Owner:  (none)
     Type:  update      |     Status:  new
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:
 Keywords:              |       Port:  icu
------------------------+--------------------
 https://github.com/unicode-org/icu/releases/tag/release-75-1

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Ticket URL: <https://trac.macports.org/ticket/69880>
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