fix(package): update @types/selenium-webdriver to version 3.0.4 (#516)

package.json

@@ -104,7 +104,7 @@
     "node": ">= 6.9.0"
   },
   "dependencies": {
-    "@types/selenium-webdriver": "3.0.3",
+    "@types/selenium-webdriver": "3.0.4",
     "@types/socket.io": "1.4.29",
     "bl": "1.2.1",
     "body-parser": "1.17.1",