chore(deps): update dependency start-server-and-test to v1.15.4#646

mjhenkes merged 2 commits intomastercypress-io/code-coverage:masterfrom

renovate/start-server-and-test-1.x-lockfilecypress-io/code-coverage:renovate/start-server-and-test-1.x-lockfileCopy head branch name to clipboard