chore(package): update @types/mocha to version 7.0.1

Closes #17

Author: greenkeeper[bot]

package.json

@@ -69,7 +69,7 @@
     },
     "devDependencies": {
         "@types/glob": "^7.1.1",
-        "@types/mocha": "^5.2.7",
+        "@types/mocha": "^7.0.1",
         "@types/node": "^12.6.6",
         "@types/simple-mock": "^0.8.1",
         "decache": "^4.5.1",