Incompatible with Boost 1.87

From the Boost 1.87 changelog:

Updated Libraries

Asio:

[…]

• Removed some previously deprecated facilities.

When building trust-store with Boost 1.87:

In file included from /build/source/src/core/trust/runtime.cpp:21:
/nix/store/7fbgr2f0sh84058nfvfz0n44yy7lljl6-dbus-cpp-5.0.3-dev/include/core/dbus/asio/executor.h:21:10: fatal error: boost/asio/io_service.hpp: No such file or directory
   21 | #include <boost/asio/io_service.hpp>
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
make[2]: *** [src/CMakeFiles/trust-store-obj.dir/build.make:135: src/CMakeFiles/trust-store-obj.dir/core/trust/runtime.cpp.o] Error 1

This was predicted in the ancient times of 2018.