[MacPorts] #31545: port chicken update to version 4.7.0

[MacPorts]

#31545: port chicken update to version 4.7.0
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  Reporter:  rlonstein@…          |       Owner:  macports-tickets@…                   
      Type:  update               |      Status:  closed                               
  Priority:  Normal               |   Milestone:                                       
 Component:  ports                |     Version:  2.0.3                                
Resolution:  fixed                |    Keywords:  haspatch                             
      Port:  chicken              |  
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Comment(by ryandesign@…):

 Supersedes #28653.

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Ticket URL: <https://trac.macports.org/ticket/31545#comment:8>
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