chore(package): update karma to version 5.0.5

Closes #18

Author: greenkeeper[bot]

package.json

@@ -37,7 +37,7 @@
     "gulp": "^3.9.1",
     "ink-docstrap": "^1.2.0",
     "jasmine-core": "^2.4.1",
-    "karma": "^1.3.0",
+    "karma": "^5.0.5",
     "karma-chrome-launcher": "^2.0.0",
     "karma-coverage": "^1.0.0",
     "karma-firefox-launcher": "^1.0.0",