boost: Updates package to version 1.84.0

boost: Updates package to version 1.84.0

This commit updates boost to version 1.84.0

New available libraries:
* *Cobalt:* Basic algorithms and types for C++20 coroutines, from
Klemens Morgenstern. [2]
* *Redis:* Redis async client library built on top of Boost.Asio, from
Marcelo Zimbres Silva. [3]

More info about Boost 1.84.0 can be found at the usual place [1].

[1]: https://www.boost.org/users/history/version_1_84_0.html
[2]: https://www.boost.org/libs/cobalt/
[3]: https://www.boost.org/libs/redis/

Signed-off-by: Carlos Miguel Ferreira <carlosmf.pt@gmail.com>