[MacPorts] #56865: elixir @1.6.6: update to 1.7.0

[MacPorts]

#56865: elixir @1.6.6: update to 1.7.0
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 Reporter:  l2dy    |      Owner:  milmazz
     Type:  update  |     Status:  assigned
 Priority:  Normal  |  Milestone:
Component:  ports   |    Version:
 Keywords:          |       Port:  elixir
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Ticket URL: <https://trac.macports.org/ticket/56865>
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