Bump stylelint-order from 5.0.0 to 6.0.3

Bumps [stylelint-order](https://github.com/hudochenkov/stylelint-order) from 5.0.0 to 6.0.3.
- [Release notes](https://github.com/hudochenkov/stylelint-order/releases)
- [Changelog](https://github.com/hudochenkov/stylelint-order/blob/master/CHANGELOG.md)
- [Commits](hudochenkov/stylelint-order@5.0.0...6.0.3)

---
updated-dependencies:
- dependency-name: stylelint-order
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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