chore(deps): update dependency karma-sauce-launcher to v2

Author: renovate-bot

package.json

@@ -37,7 +37,7 @@
     "karma-mocha": "1.3.0",
     "karma-phantomjs-launcher": "1.0.4",
     "karma-remap-coverage": "0.1.5",
-    "karma-sauce-launcher": "1.2.0",
+    "karma-sauce-launcher": "2.0.2",
     "karma-sourcemap-loader": "0.3.7",
     "karma-webpack": "3.0.5",
     "lint-staged": "8.1.0",