chore(package): update dirty-chai to version 2.0.1

Author: greenkeeper[bot]

package.json

@@ -51,7 +51,7 @@
     "chai-tbd": "0.1.0",
     "condition-circle": "^1.5.0",
     "coveralls": "latest",
-    "dirty-chai": "1.2.2",
+    "dirty-chai": "2.0.1",
     "eslint": "^3.19.0",
     "eslint-config-fullcube": "^2.0.2",
     "loopback": "^2.25.0",