chore(deps-dev): bump eslint-plugin-mocha from 5.3.0 to 6.3.0

Bumps [eslint-plugin-mocha](https://github.com/lo1tuma/eslint-plugin-mocha) from 5.3.0 to 6.3.0.
- [Release notes](https://github.com/lo1tuma/eslint-plugin-mocha/releases)
- [Changelog](https://github.com/lo1tuma/eslint-plugin-mocha/blob/main/CHANGELOG.md)
- [Commits](lo1tuma/eslint-plugin-mocha@5.3.0...6.3.0)

---
updated-dependencies:
- dependency-name: eslint-plugin-mocha
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

package.json

@@ -65,7 +65,7 @@
     "eslint": "^4.19.1",
     "eslint-config-standard": "^11.0.0",
     "eslint-plugin-import": "^2.22.0",
-    "eslint-plugin-mocha": "^5.3.0",
+    "eslint-plugin-mocha": "^6.3.0",
     "eslint-plugin-node": "^6.0.1",
     "eslint-plugin-promise": "^3.8.0",
     "eslint-plugin-standard": "^3.1.0",