Bump less from 4.1.2 to 4.1.3

Bumps [less](https://github.com/less/less.js) from 4.1.2 to 4.1.3.
- [Release notes](https://github.com/less/less.js/releases)
- [Changelog](https://github.com/less/less.js/blob/master/CHANGELOG.md)
- [Commits](less/less.js@v4.1.2...v4.1.3)

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

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