build(deps-dev): bump mocha from 6.2.2 to 7.0.0

Bumps [mocha](https://github.com/mochajs/mocha) from 6.2.2 to 7.0.0.
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/master/CHANGELOG.md)
- [Commits](mochajs/mocha@v6.2.2...v7.0.0)

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

package.json

@@ -18,7 +18,7 @@
     "codecov": "3.6.1",
     "conventional-changelog-metahub": "3.0.0",
     "cz-conventional-changelog": "3.0.2",
-    "mocha": "6.2.2",
+    "mocha": "7.0.0",
     "nyc": "15.0.0",
     "semantic-release": "15.14.0",
     "standard": "12.0.1",