Bump socket.io-client from 2.4.0 to 4.1.3

Bumps [socket.io-client](https://github.com/socketio/socket.io-client) from 2.4.0 to 4.1.3.
- [Release notes](https://github.com/socketio/socket.io-client/releases)
- [Changelog](https://github.com/socketio/socket.io-client/blob/master/CHANGELOG.md)
- [Commits](socketio/socket.io-client@2.4.0...4.1.3)

---
updated-dependencies:
- dependency-name: socket.io-client
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

package.json

@@ -51,7 +51,7 @@
     "sass": "^1.29.0",
     "sass-loader": "10.1.1",
     "socket.io": "^4.1.3",
-    "socket.io-client": "^2.1.1",
+    "socket.io-client": "^4.1.3",
     "v-calendar": "^2.3.2",
     "v-click-outside": "^3.1.2",
     "vue": "^2.6.14",