Bump auth0-js from 6.8.4 to 9.3.0

Bumps [auth0-js](https://github.com/auth0/auth0.js) from 6.8.4 to 9.3.0.
- [Release notes](https://github.com/auth0/auth0.js/releases)
- [Changelog](https://github.com/auth0/auth0.js/blob/master/CHANGELOG.md)
- [Commits](auth0/auth0.js@v6.8.4...v9.3.0)

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

Author: dependabot[bot]