chore(package): update sinon to version 5.1.1

Author: tiagoschenkel

package.json

@@ -93,7 +93,7 @@
     "reflect-metadata": "^0.1.12",
     "remap-istanbul": "^0.11.1",
     "rimraf": "^2.6.2",
-    "sinon": "^6.1.4",
+    "sinon": "^5.1.1",
     "sinon-chai": "^3.2.0",
     "ts-loader": "^4.4.2",
     "ts-node": "^7.0.0",