Bump mocha from 9.0.1 to 9.0.3

Bumps [mocha](https://github.com/mochajs/mocha) from 9.0.1 to 9.0.3.
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/master/CHANGELOG.md)
- [Commits](mochajs/mocha@v9.0.1...v9.0.3)

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

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