Bump engine.io

Bumps [engine.io](https://github.com/socketio/engine.io) from 6.4.1 to 6.4.2.
- [Release notes](https://github.com/socketio/engine.io/releases)
- [Changelog](https://github.com/socketio/engine.io/blob/main/CHANGELOG.md)
- [Commits](socketio/engine.io@6.4.1...6.4.2)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Subjects/INT222 - ADVANCED WEB DEVELOPMENT/Json/Express/Mongoosejs/package-lock.json

@@ -20,7 +20,7 @@
     "destroy": "^1.2.0",
     "ee-first": "^1.1.1",
     "encodeurl": "^1.0.2",
-    "engine.io": "^6.4.1",
+    "engine.io": "^6.4.2",
     "engine.io-parser": "^5.0.6",
     "escape-html": "^1.0.3",
     "etag": "^1.8.1",