chore(package): update mocha to version 7.1.0

Closes #48

Author: greenkeeper[bot]

package.json

@@ -53,7 +53,7 @@
     "eslint-plugin-standard": "3.1.0",
     "lokka": "1.7.0",
     "lokka-transport-http": "1.6.1",
-    "mocha": "5.2.0",
+    "mocha": "7.1.0",
     "mocha-lcov-reporter": "1.3.0",
     "mocha-performance": "0.1.1",
     "mysql2": "1.6.2",