Bump mocha from 8.4.0 to 9.0.0 (#193)

Bumps [mocha](https://github.com/mochajs/mocha) from 8.4.0 to 9.0.0.
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/master/CHANGELOG.md)
- [Commits](https://github.com/mochajs/mocha/compare/v8.4.0...v9.0.0)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -57,7 +57,7 @@
     "memfs": "^3.2.0",
     "mineflayer": "^3.3.3",
     "mineflayer-pathfinder": "^1.6.1",
-    "mocha": "^8.3.0",
+    "mocha": "^9.0.0",
     "os-browserify": "^0.3.0",
     "path-browserify": "^1.0.1",
     "prismarine-viewer": "^1.19.1",