[Snyk] Security upgrade express from 4.17.1 to 4.21.2#27

shivpathak-teg wants to merge 1 commit intomastersignal-noise/webpack-dev-server:masterfrom

snyk-fix-0ca3703509c6bbfc86b46352ccb1545csignal-noise/webpack-dev-server:snyk-fix-0ca3703509c6bbfc86b46352ccb1545cCopy head branch name to clipboard