[MacPorts] #34353: py-yaml: unify and update to 3.10

[MacPorts]

#34353: py-yaml: unify and update to 3.10
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 Reporter:  deric@…             |       Owner:  akitada@…           
     Type:  update              |      Status:  new                 
 Priority:  Normal              |   Milestone:                      
Component:  ports               |     Version:  2.0.4               
 Keywords:                      |        Port:  py-yaml             
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 I'll attach a patch for this.

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Ticket URL: <https://trac.macports.org/ticket/34353>
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