Bump sass from 1.77.2 to 1.93.2 in /frontend (#577)

Bumps [sass](https://github.com/sass/dart-sass) from 1.77.2 to 1.93.2.
- [Release notes](https://github.com/sass/dart-sass/releases)
- [Changelog](https://github.com/sass/dart-sass/blob/main/CHANGELOG.md)
- [Commits](sass/dart-sass@1.77.2...1.93.2)

---
updated-dependencies:
- dependency-name: sass
  dependency-version: 1.93.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]