[MacPorts] #48554: Update stfl to 0.24

[MacPorts]

#48554: Update stfl to 0.24
------------------------+--------------------------------
 Reporter:  macports@…  |      Owner:  macports-tickets@…
     Type:  update      |     Status:  new
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:  2.3.3
 Keywords:              |       Port:  stfl
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 stfl has been update to 0.24, here are the updated portfile and patches.

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Ticket URL: <https://trac.macports.org/ticket/48554>
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