devel/boost: update to 1.87.0 release (+)

New port devel/boost-mpi-libs, Message Passing Interface library,
for use in distributed-memory parallel application programming.

In this release Boost have dropped some long-time-ago deprecated asio facilites
See https://www.boost.org/doc/libs/1_87_0/doc/html/boost_asio/history.html for details.

Release Notes: https://www.boost.org/users/history/version_1_87_0.html
Sponsored by: Future Crew, LLC