chore(package): update @types/mocha to version 5.0.0 (#444)

Author: greenkeeper[bot]

package.json

@@ -64,7 +64,7 @@
     "@types/chai-as-promised": "^7.1.0",
     "@types/glob": "^5.0.30",
     "@types/lodash": "^4.14.76",
-    "@types/mocha": "^2.2.41",
+    "@types/mocha": "^5.0.0",
     "@types/mz": "^0.0.31",
     "@types/node": "^7.0.32",
     "@types/object-hash": "^1.1.0",