Suggestion to replace Ruby Sass with LibSass

https://sass-lang.com/documentation/cli/ruby-sass/ says:

> [Ruby Sass has reached end of life](https://sass-lang.com/blog/ruby-sass-is-unsupported) and is now totally unmaintained. Please switch to [Dart Sass](https://sass-lang.com/dart-sass) or [LibSass](https://sass-lang.com/libsass) at your earliest convenience.

but libsass has also reached end of life.