chore(package): update @types/sinon to version 5.0.0

Author: greenkeeper[bot]

package.json

@@ -59,7 +59,7 @@
   "devDependencies": {
     "@types/js-cookie": "^2.1.0",
     "@types/qs": "^6.5.1",
-    "@types/sinon": "^4.3.1",
+    "@types/sinon": "^5.0.0",
     "ava": "^1.0.0-beta.4",
     "browser-env": "^3.2.5",
     "codecov": "^3.0.0",