[MacPorts] #33235: update roll to 2.0.0

[MacPorts]

#33235: update roll to 2.0.0
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 Reporter:  singingwolfboy@…             |       Owner:  matteo.corti@…        
     Type:  defect                       |      Status:  new                   
 Priority:  Normal                       |   Milestone:                        
Component:  ports                        |     Version:  2.0.3                 
 Keywords:                               |        Port:  roll                  
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 Since the `roll` port doesn't have "openmaintainer" listed as a
 maintainer, I'm submitting a ticket for the update of this port, instead
 of simply updating it myself. If the maintainer gives permission, I can
 commit this update myself.

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Ticket URL: <https://trac.macports.org/ticket/33235>
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