chore(package): update karma-sinon-chai to version 1.2.2

https://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -67,7 +67,7 @@
     "karma-coveralls": "1.1.2",
     "karma-mocha": "1.0.1",
     "karma-phantomjs-launcher": "1.0.0",
-    "karma-sinon-chai": "1.2.0",
+    "karma-sinon-chai": "1.2.2",
     "karma-sourcemap-loader": "0.3.7",
     "karma-spec-reporter": "0.0.26",
     "karma-webpack": "1.7.0",