chore(deps): bump @nestjs/platform-socket.io in /back-end

Bumps [@nestjs/platform-socket.io](https://github.com/nestjs/nest/tree/HEAD/packages/platform-socket.io) from 9.4.2 to 9.4.3.
- [Release notes](https://github.com/nestjs/nest/releases)
- [Commits](https://github.com/nestjs/nest/commits/v9.4.3/packages/platform-socket.io)

---
updated-dependencies:
- dependency-name: "@nestjs/platform-socket.io"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

back-end/package.json

@@ -30,7 +30,7 @@
 		"@nestjs/jwt": "^10.0.3",
 		"@nestjs/passport": "^9.0.3",
 		"@nestjs/platform-express": "^9.4.2",
-		"@nestjs/platform-socket.io": "^9.4.2",
+		"@nestjs/platform-socket.io": "^9.4.3",
 		"@nestjs/schedule": "^2.2.2",
 		"@nestjs/websockets": "^9.4.2",
 		"argon2": "^0.30.3",