Merge pull request #2 from xinthose/dependabot/npm_and_yarn/server/socket.io-2.4.0

Bump socket.io from 2.0.4 to 2.4.0 in /server

Author: xinthose

server/package-lock.json

@@ -26,7 +26,7 @@
  "cors": "^2.8.5",
  "express": "^4.17.1",
  "gulp-cli": "^2.2.0",
- "socket.io": "~2.0.3",
+ "socket.io": "~2.4.0",
  "socket.io-client": "^2.3.0"
  },
  "devDependencies": {