[MacPorts] #29224: cgal: update to version 3.8

[MacPorts]

#29224: cgal: update to version 3.8
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 Reporter:  raphael@…             |       Owner:  vince@…           
     Type:  update                |      Status:  new               
 Priority:  Normal                |   Milestone:                    
Component:  ports                 |     Version:  1.9.2             
 Keywords:  haspatch              |        Port:  cgal              
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 The attached patches update the CGAL port to version 3.8 and correct the
 license info.

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Ticket URL: <https://trac.macports.org/ticket/29224>
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