chore(deps-dev): bump mocha from 7.2.0 to 8.0.1 (#38)

Bumps [mocha](https://github.com/mochajs/mocha) from 7.2.0 to 8.0.1.
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/master/CHANGELOG.md)
- [Commits](mochajs/mocha@v7.2.0...v8.0.1)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Author: dependabot-preview[bot]

package.json

@@ -34,7 +34,7 @@
     "eslint": "^7.0.0",
     "eslint-config-hexo": "^4.0.0",
     "hexo-fs": "^3.0.1",
-    "mocha": "^7.1.2",
+    "mocha": "^8.0.1",
     "nyc": "^15.0.0"
   },
   "engines": {