[MacPorts] #30637: tree @1.5.3 out of date - upstream version is 1.6.0

[MacPorts]

#30637: tree @1.5.3 out of date - upstream version is 1.6.0
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 Reporter:  johnkfisher@…        |       Owner:  macports-tickets@…                   
     Type:  update               |      Status:  new                                  
 Priority:  Normal               |   Milestone:                                       
Component:  ports                |     Version:  2.0.1                                
 Keywords:                       |        Port:  tree                                 
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 (apologies for not just fixing it myself - not sure how to do that, though
 I'm hoping to figure it out and try it on some of these smaller ports)

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Ticket URL: <https://trac.macports.org/ticket/30637>
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