Bump stylelint-scss from 3.18.0 to 3.19.0 (#133)

Bumps [stylelint-scss](https://github.com/kristerkari/stylelint-scss) from 3.18.0 to 3.19.0.
- [Release notes](https://github.com/kristerkari/stylelint-scss/releases)
- [Changelog](https://github.com/kristerkari/stylelint-scss/blob/master/CHANGELOG.md)
- [Commits](stylelint-scss/stylelint-scss@3.18.0...3.19.0)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Brett Jankord <bjankord@gmail.com>