chore(package): update sinon to version 5.0.0

Author: greenkeeper[bot]

package.json

@@ -79,7 +79,7 @@
     "rxjs": "^5.5.6",
     "shelljs": "^0.8.1",
     "shx": "^0.2.2",
-    "sinon": "^4.4.2",
+    "sinon": "^5.0.0",
     "sinon-chai": "^3.0.0",
     "source-map-loader": "^0.2.3",
     "style-loader": "^0.20.3",