[MacPorts] #45144: ghc: update to 7.8.3 and fix livecheck

[MacPorts]

#45144: ghc: update to 7.8.3 and fix livecheck
---------------------------+----------------------------
  Reporter:  ryandesign@…  |      Owner:  kitchen.andy@…
      Type:  update        |     Status:  closed
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:
Resolution:  wontfix       |   Keywords:
      Port:  ghc           |
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Changes (by cal@…):

 * status:  new => closed
 * resolution:   => wontfix


Comment:

 Duplicate of #44891. Livecheck is disabled intentionally. As the comment
 next to the version line says, ghc must not be updated without also
 updating the haskell platform.

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Ticket URL: <https://trac.macports.org/ticket/45144#comment:1>
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