build(deps-dev): bump mocha from 6.1.4 to 6.2.3

Bumps [mocha](https://github.com/mochajs/mocha) from 6.1.4 to 6.2.3.
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/main/CHANGELOG.md)
- [Commits](mochajs/mocha@v6.1.4...v6.2.3)

---
updated-dependencies:
- dependency-name: mocha
  dependency-version: 6.2.3
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package.json

@@ -24,7 +24,7 @@
     "eslint-plugin-node": "9.1.0",
     "eslint-plugin-promise": "4.2.1",
     "eslint-plugin-standard": "4.0.0",
-    "mocha": "6.1.4",
+    "mocha": "6.2.3",
     "nyc": "14.1.1"
   },
   "files": [