[MacPorts] #69343: yaml-cpp: Update to 0.8.0

[MacPorts]

#69343: yaml-cpp: Update to 0.8.0
-----------------------+----------------------
  Reporter:  DanielO   |      Owner:  judaew
      Type:  update    |     Status:  closed
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:  fixed     |   Keywords:  haspatch
      Port:  yaml-cpp  |
-----------------------+----------------------

Comment (by l2dy):

 Dependent ports may need revbump, e.g. micromamba.

 {{{
 dyld[90494]: Library not loaded: /opt/local/lib/libyaml-cpp.0.7.dylib
   Referenced from: <A765447D-AD6F-373A-9844-8AF3F38F1D44>
 /opt/local/bin/micromamba
   Reason: tried: '/opt/local/lib/libyaml-cpp.0.7.dylib' (no such file),
 '/System/Volumes/Preboot/Cryptexes/OS/opt/local/lib/libyaml-cpp.0.7.dylib'
 (no such file), '/opt/local/lib/libyaml-cpp.0.7.dylib' (no such file)
 }}}

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Ticket URL: <https://trac.macports.org/ticket/69343#comment:5>
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