build(deps): bump less from 3.9.0 to 3.10.3

Bumps [less](https://github.com/less/less.js) from 3.9.0 to 3.10.3.
- [Release notes](https://github.com/less/less.js/releases)
- [Changelog](https://github.com/less/less.js/blob/master/CHANGELOG.md)
- [Commits](less/less.js@v3.9.0...v3.10.3)

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