[MacPorts] #55551: boost update to 1.66.0 release

[MacPorts]

#55551: boost update to 1.66.0 release
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  Reporter:  michaelld  |      Owner:
      Type:  update     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:
Resolution:             |   Keywords:
      Port:  boost      |
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Comment (by michaelld):

 Related: For the prior boost update, see #50671 . The most recent commit
 to rev-bump all ports depending on Boost is https://github.com/macports
 /macports-ports/commit/f3dd036d4a4e2b8fc245d4fce27b6c96e298af5f .

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Ticket URL: <https://trac.macports.org/ticket/55551#comment:1>
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