[Snyk] Upgrade express from 4.16.3 to 4.21.1#55

ali8889 wants to merge 1 commit intomasterali8889/ethereum-org:masterfrom

snyk-upgrade-4304ddf69e160eec63d7026f99b73f34ali8889/ethereum-org:snyk-upgrade-4304ddf69e160eec63d7026f99b73f34Copy head branch name to clipboard