<pre style="white-space:pre-wrap;width:81ex">Bump sass from 1.28.0 to 1.29.0 (#15128)

Bumps [sass](https://github.com/sass/dart-sass) from 1.28.0 to 1.29.0.
- [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/1.28.0...1.29.0)

Signed-off-by: dependabot[bot] &lt;[email protected]&gt;

Co-authored-by: dependabot[bot] &lt;49699333+dependabot[bot]@users.noreply.github.com&gt;</pre>
https://github.com/tootsuite/mastodon/commit/462fb5451dcaa9113da8d5f873113ef6baab28ab