fix: upgrade express from 4.18.2 to 4.21.1

Snyk has created this PR to upgrade express from 4.18.2 to 4.21.1.

See this package in npm:
express

See this project in Snyk:
https://app.snyk.io/org/eriklopess/project/4fd01b36-5ca9-4e17-b5cf-4585a1219056?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot