[MacPorts] #58514: swig: update to 4.0.0

[MacPorts]

#58514: swig: update to 4.0.0
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  Reporter:  luzpaz  |      Owner:  (none)
      Type:  update  |     Status:  new
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:
Resolution:          |   Keywords:
      Port:  swig    |
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Comment (by yan12125):

 FYI, the working-in-progress pull request can be found at
 https://github.com/macports/macports-ports/pull/4267.

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Ticket URL: <https://trac.macports.org/ticket/58514#comment:1>
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