[MacPorts] #52872: Update fish to 2.4.0

[MacPorts]

#52872: Update fish to 2.4.0
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  Reporter:  dgsb    |      Owner:  macports-tickets@…
      Type:  update  |     Status:  new
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:  2.3.4
Resolution:          |   Keywords:
      Port:  fish    |
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Comment (by raimue):

 Pull request: https://github.com/macports/macports-ports/pull/37

 For the future, there is no need to open a ticket before creating a pull
 request on GitHub.

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Ticket URL: <https://trac.macports.org/ticket/52872#comment:1>
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