[MacPorts] #53947: ansifilter: update to 2.4

[MacPorts]

#53947: ansifilter: update to 2.4
-------------------------+---------------------------------
  Reporter:  tessus      |      Owner:
      Type:  update      |     Status:  closed
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.4.1
Resolution:  duplicate   |   Keywords:  haspatch maintainer
      Port:  ansifilter  |
-------------------------+---------------------------------

Comment (by tessus):

 Additional info: https://guide.macports.org/#project.contributing.updates

 Item 3: Create a Trac ticket. Maybe you could also add the following text
 ''or open a pull request''.

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Ticket URL: <https://trac.macports.org/ticket/53947#comment:7>
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