Bump mocha in /gremlin-javascript/src/main/javascript/gremlin-javascript

Bumps [mocha](https://github.com/mochajs/mocha) from 10.7.3 to 10.8.2.
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/main/CHANGELOG.md)
- [Commits](mochajs/mocha@v10.7.3...v10.8.2)

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

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