bump karma-browserify to 6.0.0

Author: etpinard

package-lock.json

@@ -134,7 +134,7 @@
     "jasmine-core": "^2.99.1",
     "jsdom": "^11.12.0",
     "karma": "^3.1.1",
-    "karma-browserify": "^5.3.0",
+    "karma-browserify": "^6.0.0",
     "karma-chrome-launcher": "^2.0.0",
     "karma-fail-fast-reporter": "^1.0.5",
     "karma-firefox-launcher": "^1.0.1",