[Snyk] Upgrade express from 4.16.3 to 4.21.1#53

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

snyk-upgrade-b0cae990a4ff0b8c415b2648b26003b1ali8889/ethereum-org:snyk-upgrade-b0cae990a4ff0b8c415b2648b26003b1Copy head branch name to clipboard