fix: upgrade express from 4.17.3 to 4.21.2

Snyk has created this PR to upgrade express from 4.17.3 to 4.21.2.

See this package in npm:
express

See this project in Snyk:
https://app.snyk.io/org/devspace/project/1ce6895e-5de5-45d6-990f-9caa622c6b27?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot