chore(package): update karma-sauce-launcher to version 4.1.4

Closes #86

Author: greenkeeper[bot]

package.json

@@ -44,7 +44,7 @@
     "karma-jasmine": "^1.0.2",
     "karma-jasmine-matchers": "^3.0.1",
     "karma-safari-launcher": "^1.0.0",
-    "karma-sauce-launcher": "^1.0.0",
+    "karma-sauce-launcher": "^4.1.4",
     "karma-spec-reporter": "0.0.31",
     "npm-watch": "^0.2.0",
     "safari-launcher": "^2.0.5",