build

adjust timeouts for `004_sched_yield_sleep` test #5669

Job	Run time
macos/clang++/c++17	4m 38s
buster/g++/c++17/asan=off/ubsan=off	18m 10s
focal/clang++/c++17/asan=off/ubsan=on	20m 21s
focal/g++-10/c++20/asan=on/ubsan=off	21m 19s
jammy/g++/c++20/asan=on/ubsan=off	19m 12s
	1h 23m 40s

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