fix: upgrade multiple dependencies with Snyk

Snyk has created this PR to upgrade:
  - express from 4.17.3 to 4.19.2.
    See this package in npm: https://www.npmjs.com/package/express
  - express-session from 1.17.3 to 1.18.0.
    See this package in npm: https://www.npmjs.com/package/express-session
  - socket.io from 4.4.1 to 4.7.5.
    See this package in npm: https://www.npmjs.com/package/socket.io

See this project in Snyk:
https://app.snyk.io/org/sammytezzy/project/baae60b0-b551-4edb-bcb1-55eb7c12e4a6?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

examples/express-session-example/package.json

@@ -8,8 +8,8 @@
     "start": "node index.js"
   },
   "dependencies": {
-    "express": "~4.17.3",
-    "express-session": "~1.17.2",
-    "socket.io": "~4.4.1"
+    "express": "~4.19.2",
+    "express-session": "~1.18.0",
+    "socket.io": "~4.7.5"
   }
 }