[MacPorts] #68372: ghc: add python311 variant

[MacPorts]

#68372: ghc: add python311 variant
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 Reporter:  jowens       |      Owner:  (none)
     Type:  enhancement  |     Status:  new
 Priority:  Normal       |  Milestone:
Component:  ports        |    Version:
 Keywords:               |       Port:  ghc
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 Currently python310 is the default and there's no 311 variant. Thanks!

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Ticket URL: <https://trac.macports.org/ticket/68372>
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