[MacPorts] #50671: boost: Update to 1.65.1

[MacPorts]

#50671: boost: Update to 1.65.1
-----------------------+------------------------
  Reporter:  eborisch  |      Owner:  ryandesign
      Type:  update    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.3.4
Resolution:            |   Keywords:  haspatch
      Port:  boost     |
-----------------------+------------------------

Comment (by ryandesign):

 It's not as simple as "merging" the update to boost 1.65.1. All ports
 depending on boost should also be revbumped. I am currently working on
 making the buildbot faster. After that, I will do the boost update and
 revbumps. I don't have a specific timeline for you.

--
Ticket URL: <https://trac.macports.org/ticket/50671#comment:68>
MacPorts <https://www.macports.org/>
Ports system for macOS