[MacPorts] #49460: rust: update to 1.3.0

[MacPorts]

#49460: rust: update to 1.3.0
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  Reporter:  tonytung@…  |      Owner:  g5pw@…
      Type:  update      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.3.4
Resolution:              |   Keywords:  haspatch
      Port:  rust        |
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Changes (by g5pw@…):

 * status:  new => assigned


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Ticket URL: <https://trac.macports.org/ticket/49460#comment:2>
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