Bumps [sass](https://github.com/sass/dart-sass) from 1.23.6 to 1.23.7.
- [Release notes](https://github.com/sass/dart-sass/releases)
- [Changelog](https://github.com/sass/dart-sass/blob/master/CHANGELOG.md)
- [Commits](https://github.com/sass/dart-sass/compare/1.23.6...1.23.7)
Signed-off-by: dependabot-preview[bot] <support@dependabot.com>