chore(package): update @types/sinon to version 7.0.5

Closes #190

Author: greenkeeper[bot]

package.json

@@ -35,7 +35,7 @@
     "@types/chai": "4.1.4",
     "@types/chalk": "2.2.0",
     "@types/mocha": "5.2.3",
-    "@types/sinon": "7.0.1",
+    "@types/sinon": "7.0.5",
     "chai": "4.1.2",
     "gulp": "3.9.1",
     "gulp-istanbul": "1.1.3",