chore: bump engine.io from 4.0.5 to 4.1.2 in /src/test/resources (#110)

Bumps [engine.io](https://github.com/socketio/engine.io) from 4.0.5 to 4.1.2.
- [Release notes](https://github.com/socketio/engine.io/releases)
- [Changelog](https://github.com/socketio/engine.io/blob/4.1.2/CHANGELOG.md)
- [Commits](socketio/engine.io@4.0.5...4.1.2)

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

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

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

Author: dependabot[bot]

src/test/resources/package-lock.json

@@ -1,6 +1,6 @@
 {
   "private": true,
   "dependencies": {
-    "engine.io": "^4.0.5"
+    "engine.io": "^4.1.2"
   }
 }