Fuzzing: run harness as part of workflow #2384

Job	Run time
build on ubuntu:24.04 (gcc,false)	24s
build on macos (macos-latest)	17s
build on ubuntu:24.04 (clang,false)	55s
build on fedora:40 (gcc, true)	45s
build on macos (macos-latest-xlarge)	14s
build on fedora:40 (clang, false)	47s
build on ubuntu:23.10 (gcc,false)	33s
build on fedora:39 (gcc, false)	1m 41s
build on ubuntu:23.10 (clang,false)	53s
build on fedora:39 (clang, false)	1m 1s
build on ubuntu:22.04 (gcc,false)	56s
build on ubuntu:22.04 (clang,true)	38s
build on ubuntu:20.04 (gcc,false)	36s
build on ubuntu:20.04 (clang,false)	1m 41s
build on debian:12 (gcc,false)	36s
build on debian:12 (clang,false)	1m 5s
build on debian:11 (gcc,false)	51s
build on debian:11 (clang,false)	1m 35s
run unit tests	0s
	15m 28s

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