chore(package): update karma-chrome-launcher to version 3.1.0

Closes #53

Author: greenkeeper[bot]

package.json

@@ -47,7 +47,7 @@
     "jasmine-core": "^3.3.0",
     "jasmine-spec-reporter": "~4.2.1",
     "karma": "^4.1.0",
-    "karma-chrome-launcher": "^2.2.0",
+    "karma-chrome-launcher": "^3.1.0",
     "karma-coverage-istanbul-reporter": "^2.0.4",
     "karma-jasmine": "^2.0.1",
     "karma-jasmine-html-reporter": "^1.4.0",