[MacPorts] #53306: elixir @ 1.3.4: Update to 1.4.0

[MacPorts]

#53306: elixir @ 1.3.4: Update to 1.4.0
-----------------------+---------------------------------
  Reporter:  jhosteny  |      Owner:
      Type:  update    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.3.5
Resolution:            |   Keywords:  haspatch maintainer
      Port:  elixir    |
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Changes (by jhosteny):

 * Attachment "Portfile-elixir.diff" added.

 diff file for elixir-1.4.0

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Ticket URL: <https://trac.macports.org/ticket/53306>
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