Add type to represent `--cpus` #7

Job	Run time
update-cache-and-deploy / update-bazel-cache-and-deploy-debian-package-amd64	19m 5s
update-cache-and-deploy / update-cvd-test-bazel-cache	10m 14s
update-cache-and-deploy / deploy-docker-image-amd64	2m 0s
update-cache-and-deploy / deploy-docker-image-arm64	2m 15s
update-cache-and-deploy / update-bazel-cache-and-deploy-debian-package-arm64	15m 45s
update-cache-and-deploy / deploy-docker-manifest	17s
	49m 36s

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