[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
 Keywords:  haspatch maintainer  |       Port:  elixir
---------------------------------+--------------------
 Please update elixir to the latest release.

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