Merge pull request #30 from Ikagaka/greenkeeper/@types/mocha-5.0.0

Update @types/mocha to the latest version 🚀

Author: Narazaka

package.json

@@ -31,7 +31,7 @@
   "devDependencies": {
     "@types/encoding-japanese": "^1.0.15",
     "@types/jszip": "3.1.3",
-    "@types/mocha": "^2.2.46",
+    "@types/mocha": "^5.0.0",
     "@types/node": "^9.3.0",
     "@types/power-assert": "^1.4.29",
     "browserfs": "^1.4.3",