Merge pull request #24 from Flagsmith/dependabot/npm_and_yarn/lib/socket.io-2.4.0

Bump socket.io from 2.3.0 to 2.4.0 in /lib

Author: kyle-ssg

lib/package-lock.json

@@ -14,7 +14,7 @@
     "hoist-non-react-statics": "^3.3.2",
     "http-server": "0.12.1",
     "lodash": "4.17.19",
-    "socket.io": "2.3.0",
+    "socket.io": "2.4.0",
     "ws": "^7.2.3"
   },
   "devDependencies": {