fix: upgrade express from 4.18.2 to 4.18.3

Snyk has created this PR to upgrade express from 4.18.2 to 4.18.3.

See this package in npm:
https://www.npmjs.com/package/express

See this project in Snyk:
https://app.snyk.io/org/mihikanigam/project/47fb0e1b-bb33-4c1d-a88e-84fce84eeb43?utm_source=github&utm_medium=referral&page=upgrade-pr

expressjs-backend/package.json

@@ -15,7 +15,7 @@
     "cookie-session": "^2.1.0",
     "cors": "^2.8.5",
     "dotenv": "^16.4.1",
-    "express": "^4.18.2",
+    "express": "^4.18.3",
     "express-rate-limit": "^7.1.5",
     "https": "^1.0.0",
     "jsonwebtoken": "^9.0.2",