[MacPorts] #34441: p5-yaml-syck: update to 1.20

[MacPorts]

#34441: p5-yaml-syck: update to 1.20
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 Reporter:  ryandesign@…             |       Owner:  ged@…           
     Type:  update                   |      Status:  new             
 Priority:  Normal                   |   Milestone:                  
Component:  ports                    |     Version:  2.0.4           
 Keywords:  haspatch                 |        Port:  p5-yaml-syck    
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Ticket URL: <https://trac.macports.org/ticket/34441>
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