fix: upgrade socket.io from 4.4.1 to 4.7.3

Snyk has created this PR to upgrade socket.io from 4.4.1 to 4.7.3.

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

examples/express-session-example/package.json

@@ -10,6 +10,6 @@
  "dependencies": {
  "express": "~4.17.3",
  "express-session": "~1.17.2",
- "socket.io": "~4.4.1"
+ "socket.io": "~4.7.3"
  }
 }