[Snyk] Security upgrade express from 4.16.2 to 4.21.0#3

Open

devsmart wants to merge 1 commit intomasterfrom

snyk-fix-60baa15acbd19bb048180dd360957cf2

Commits on Sep 12, 2024

fix: training/package.json & training/package-lock.json to reduce vulnerabilities
snyk-bot
committed