chore(deps-dev): bump sass from 1.26.5 to 1.26.7 (#375)

Bumps [sass](https://github.com/sass/dart-sass) from 1.26.5 to 1.26.7.
- [Release notes](https://github.com/sass/dart-sass/releases)
- [Changelog](https://github.com/sass/dart-sass/blob/master/CHANGELOG.md)
- [Commits](sass/dart-sass@1.26.5...1.26.7)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>