[MacPorts] #58511: boost: update to 1.70.0

[MacPorts]

#58511: boost: update to 1.70.0
------------------------+--------------------
  Reporter:  stanimura  |      Owner:  (none)
      Type:  update     |     Status:  closed
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.5.4
Resolution:  duplicate  |   Keywords:
      Port:  boost      |
------------------------+--------------------
Changes (by ryandesign):

 * status:  new => closed
 * resolution:   => duplicate


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Ticket URL: <https://trac.macports.org/ticket/58511#comment:2>
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