[Snyk] Upgrade underscore from 1.13.4 to 1.13.6#7

adamsousa wants to merge 1 commit intomastercopelandsoftware/statuspage-api:masterfrom

snyk-upgrade-b8ced57b8a959262a9d06d12a45862afcopelandsoftware/statuspage-api:snyk-upgrade-b8ced57b8a959262a9d06d12a45862afCopy head branch name to clipboard