[MacPorts] #51444: docker-machine: update to 0.7.0

[MacPorts]

#51444: docker-machine: update to 0.7.0
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  Reporter:  aaron+macports@…  |      Owner:  sean@…
      Type:  update            |     Status:  new
  Priority:  Normal            |  Milestone:
 Component:  ports             |    Version:
Resolution:                    |   Keywords:  haspatch
      Port:  docker-machine    |
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Changes (by mf2k@…):

 * owner:  macports-tickets@… => sean@…


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Ticket URL: <https://trac.macports.org/ticket/51444#comment:1>
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