Bump mocha from 8.4.0 to 9.1.2 (#138)

Bumps [mocha](https://github.com/mochajs/mocha) from 8.4.0 to 9.1.2.
- [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...v9.1.2)

---
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

@@ -39,7 +39,7 @@
     "bedrock-protocol": "file:.",
     "bedrock-provider": "^1.0.0",
     "leveldb-zlib": "^1.0.1",
-    "mocha": "^8.3.2",
+    "mocha": "^9.1.2",
     "protodef-yaml": "^1.1.0",
     "standard": "^16.0.3"
   },