Dependency bump: Boost v1.84 to 1.87: Update CI pipeline. / Updating submodules. Pulls in: [flow] Dependency bump: Boost v1.84 to 1.87. Results in slight breaking API changes in flow::error. (Details in Description.) / Comment and/or doc changes. | [ipc_core] Boost v1.84 to 1.87 in Flow => slight breaking API changes in flow::error => fix/improve their use in this module. / Bug fix in Bipc_mq_handle wait-based APIs exception-throwing form. | [ipc_transport_structured] Boost v1.84 to 1.87 in Flow => slight breaking API changes in flow::error => fix/improve their use in this module. / Boost v1.84 to 1.87 in Flow => fix Boost.uuid use due to changed API. | [ipc_session] Boost v1.84 to 1.87 in Flow => slight breaking API changes in flow::error => fix/improve their use in this module.

Dependency bump: Boost v1.84 to 1.87: Update CI pipeline. / Updating submodules. Pulls in: [flow] Dependency bump: Boost v1.84 to 1.87. Results in slight breaking API changes in flow::error. (Details in Description.) / Comment and/or doc changes. | [ipc_core] Boost v1.84 to 1.87 in Flow => slight breaking API changes in flow::error => fix/improve their use in this module. / Bug fix in Bipc_mq_handle wait-based APIs exception-throwing form. | [ipc_transport_structured] Boost v1.84 to 1.87 in Flow => slight breaking API changes in flow::error => fix/improve their use in this module. / Boost v1.84 to 1.87 in Flow => fix Boost.uuid use due to changed API. | [ipc_session] Boost v1.84 to 1.87 in Flow => slight breaking API changes in flow::error => fix/improve their use in this module. #877