[MacPorts] #62346: Update pandoc to 2.11.4

[MacPorts]

#62346: Update pandoc to 2.11.4
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  Reporter:  szhorvat  |      Owner:  (none)
      Type:  update    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.6.4
Resolution:            |   Keywords:
      Port:  pandoc    |
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Comment (by kencu):

 there is already a PR in the queue for this being reviewed.

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Ticket URL: <https://trac.macports.org/ticket/62346#comment:3>
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