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

Closes #38

Author: greenkeeper[bot]

package.json

@@ -31,7 +31,7 @@
   "homepage": "https://github.com/budgielang/NBudgie#readme",
   "dependencies": {
     "@types/chai": "^4.2.4",
-    "@types/mocha": "^5.2.7",
+    "@types/mocha": "^7.0.1",
     "@types/sinon": "^7.5.0",
     "@types/sinon-chai": "^3.2.3",
     "chai": "^4.2.0",