Merge branch 'worker_wakeup_strategy' into 'master'

emper/Runtime.cpp

emper/Runtime.hpp

emper/io/GlobalIoContext.cpp

emper/io/IoContext.hpp

emper/lib/sync/WorkerWakeupSemaphore.hpp

emper/meson.build

emper/sleep_strategy/AbstractWorkerSleepStrategy.hpp

emper/sleep_strategy/SemaphoreWorkerSleepStrategy.cpp

emper/sleep_strategy/SemaphoreWorkerSleepStrategy.hpp

emper/sleep_strategy/WorkerSleepStrategy.hpp

emper/sleep_strategy/meson.build