Add `validator-manager` (#3502) #962

Job	Run time
extract-version	1s
build-docker-lcli	18m 52s
build-docker-aarch64	42m 2s
build-docker-aarch64-dev	44m 21s
build-docker-aarch64-portable	51m 52s
build-docker-aarch64-portable-dev	43m 46s
build-docker-x86_64	38m 17s
build-docker-x86_64-dev	44m 26s
build-docker-x86_64-portable	41m 22s
build-docker-x86_64-portable-dev	49m 47s
build-docker-multiarch	7s
build-docker-multiarch-modern	4s
	6h 14m 57s

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