[MacPorts] #62975: ne: upgrade to 3.3.1

[MacPorts]

#62975: ne: upgrade to 3.3.1
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  Reporter:  vigna   |      Owner:  (none)
      Type:  update  |     Status:  new
  Priority:  Normal  |  Milestone:  MacPorts Future
 Component:  ports   |    Version:  2.7.1
Resolution:          |   Keywords:
      Port:          |
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Comment (by vigna):

 Note that the home site is now https://ne.di.unimi.it/

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Ticket URL: <https://trac.macports.org/ticket/62975#comment:1>
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