Merge pull request #79 from paperhive/greenkeeper/sinon-chai-3.0.0

Update sinon-chai to the latest version 🚀

Author: andrenarchy

package.json

@@ -25,7 +25,7 @@
     "mocha": "^5.0.0",
     "nyc": "^11.2.1",
     "sinon": "^5.0.0",
-    "sinon-chai": "^2.13.0",
+    "sinon-chai": "^3.0.0",
     "ts-node": "^5.0.0",
     "tslint": "^5.7.0",
     "typescript": "^2.5.2"