Bump mocha from 6.2.3 to 10.7.0 in /lang/js

Bumps [mocha](https://github.com/mochajs/mocha) from 6.2.3 to 10.7.0.
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/main/CHANGELOG.md)
- [Commits](mochajs/mocha@v6.2.3...v10.7.0)

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

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