[Snyk] Security upgrade express from 4.17.1 to 4.21.1#26

codingChewie wants to merge 1 commit into

masterprogrammingmonkeys/real-time-web-with-socket:masterfrom

snyk-fix-9173f180445ca7bee327eb7ab60c2b1dprogrammingmonkeys/real-time-web-with-socket:snyk-fix-9173f180445ca7bee327eb7ab60c2b1dCopy head branch name to clipboard