[MacPorts] #49614: [Update] icu to 56.1

[MacPorts]

#49614: [Update] icu to 56.1
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  Reporter:  mark@…        |      Owner:  ryandesign@…
      Type:  update        |     Status:  assigned
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:
Resolution:                |   Keywords:
      Port:  icu icu-docs  |
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Comment (by mark@…):

 Gotcha. I figured as much. Wanted it in the system so it doesn't get
 forgotten. Thanks!

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Ticket URL: <https://trac.macports.org/ticket/49614#comment:2>
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