Boost MySQL 1.87 new features

https://cppalliance.org/ruben/2024/10/20/Ruben2024Q3Update.html

Boost.MySQL 1.87 adds with_params for concise client‑side SQL, with_diagnostics for async error info, support for asio cancellation tokens, improved thread‑safe connection_pool, pydocca documentation migration, and modular Boost integration.