Bump mocha from 6.0.1 to 6.0.2

Bumps [mocha](https://github.com/mochajs/mocha) from 6.0.1 to 6.0.2.
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/master/CHANGELOG.md)
- [Commits](mochajs/mocha@v6.0.1...v6.0.2)

Signed-off-by: dependabot[bot] <support@dependabot.com>

package.json

@@ -47,7 +47,7 @@
     "coveralls": "^3.0.2",
     "xo": "^0.24.0",
     "istanbul": "^1.1.0-alpha.1",
-    "mocha": "^6.0.1"
+    "mocha": "^6.0.2"
   },
   "xo": {
     "globals": [