fix(package): update @types/socket.io to version 1.4.28 (#258)

https://greenkeeper.io/

package.json

@@ -103,7 +103,7 @@
   },
   "dependencies": {
     "@types/selenium-webdriver": "2.53.39",
-    "@types/socket.io": "1.4.27",
+    "@types/socket.io": "1.4.28",
     "body-parser": "1.16.1",
     "brolog": "0.3.10",
     "chromedriver": "^2.27.1",