[MacPorts] #31562: CGAL version bump 3.8 -> 3.9

[MacPorts]

#31562: CGAL version bump 3.8 -> 3.9
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 Reporter:  mmoll@…             |       Owner:  vince
     Type:  update              |      Status:  new  
 Priority:  Normal              |   Milestone:       
Component:  ports               |     Version:  2.0.3
 Keywords:                      |        Port:  cgal 
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 I didn't check the demos variant. You might want to include the additional
 patch file, which makes sure that the cmake-related code is installed in a
 location that should be in cmake's module path.

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Ticket URL: <https://trac.macports.org/ticket/31562>
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