fix(package): update selenium-webdriver to version 3.6.0 (#858)

package.json

@@ -118,7 +118,7 @@
     "raven": "2.2.1",
     "request": "2.83.0",
     "retry-promise": "1.0.0",
-    "selenium-webdriver": "3.5.0",
+    "selenium-webdriver": "3.6.0",
     "state-switch": "0.1.13",
     "ws": "3.2.0",
     "xml2js": "0.4.19"