Bump cookie, express and engine.io (#6)

Bumps [cookie](https://github.com/jshttp/cookie) to 0.7.2 and updates ancestor dependencies [cookie](https://github.com/jshttp/cookie), [express](https://github.com/expressjs/express) and [engine.io](https://github.com/socketio/socket.io). These dependencies need to be updated together.


Updates `cookie` from 0.6.0 to 0.7.2
- [Release notes](https://github.com/jshttp/cookie/releases)
- [Commits](jshttp/cookie@v0.6.0...v0.7.2)

Updates `express` from 4.21.0 to 4.21.1
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/4.21.1/History.md)
- [Commits](expressjs/express@4.21.0...4.21.1)

Updates `engine.io` from 6.6.1 to 6.6.2
- [Release notes](https://github.com/socketio/socket.io/releases)
- [Changelog](https://github.com/socketio/socket.io/blob/main/CHANGELOG.md)
- [Commits](https://github.com/socketio/socket.io/compare/[email protected]@6.6.2)

---
updated-dependencies:
- dependency-name: cookie
  dependency-type: indirect
- dependency-name: express
  dependency-type: direct:production
- dependency-name: engine.io
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -25,7 +25,7 @@
     "body-parser": "^1.20.2",
     "cors": "^2.8.5",
     "dotenv": "^16.4.5",
-    "express": "^4.18.2",
+    "express": "^4.21.1",
     "irc-framework": "^4.14.0",
     "jsonwebtoken": "^9.0.2",
     "mercedlogger": "^1.0.1",