chore(package): update sauce-browsers to version 2.0.0 (#177)

package.json

@@ -49,7 +49,7 @@
     "mocha": "~5.2.0",
     "nyc": "~12.0.1",
     "pre-commit": "~1.2.0",
-    "sauce-browsers": "~1.2.0",
+    "sauce-browsers": "~2.0.0",
     "sauce-test": "~1.3.3",
     "uglify-js": "~3.4.0"
   }