Reformat code with clang

.gitlab-ci.yml

emper/Fiber.hpp

emper/FiberHint.hpp

emper/Semaphore.hpp

emper/SynchronizedFiber.hpp

emper/io/Future.hpp

emper/io/IoContext.hpp

emper/lib/math.hpp

emper/strategies/ws/WsDispatcher.hpp

eval/BFP9000.cpp

tests/TellActorFromAnywhereTest.cpp