Bump sass-rails from 5.1.0 to 6.0.0
Bump sass-rails from 5.1.0 to 6.0.0

Bumps [sass-rails](https://github.com/rails/sass-rails) from 5.1.0 to 6.0.0.
- [Release notes](https://github.com/rails/sass-rails/releases)
- [Commits](https://github.com/rails/sass-rails/compare/v5.1.0...v6.0.0)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
kenchan/tdnm,kenchan/tdnm,kenchan/tdnm,kenchan/tdnm