Bump the dev-css-sass group with 4 updates

Bumps the dev-css-sass group with 4 updates: [autoprefixer](https://github.com/postcss/autoprefixer), [cssnano](https://github.com/cssnano/cssnano), [postcss](https://github.com/postcss/postcss) and [sass](https://github.com/sass/dart-sass).


Updates `autoprefixer` from 10.4.20 to 10.4.21
- [Release notes](https://github.com/postcss/autoprefixer/releases)
- [Changelog](https://github.com/postcss/autoprefixer/blob/main/CHANGELOG.md)
- [Commits](postcss/autoprefixer@10.4.20...10.4.21)

Updates `cssnano` from 7.0.6 to 7.0.7
- [Release notes](https://github.com/cssnano/cssnano/releases)
- [Commits](https://github.com/cssnano/cssnano/compare/[email protected]@7.0.7)

Updates `postcss` from 8.5.3 to 8.5.6
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.5.3...8.5.6)

Updates `sass` from 1.85.1 to 1.89.2
- [Release notes](https://github.com/sass/dart-sass/releases)
- [Changelog](https://github.com/sass/dart-sass/blob/main/CHANGELOG.md)
- [Commits](sass/dart-sass@1.85.1...1.89.2)

---
updated-dependencies:
- dependency-name: autoprefixer
  dependency-version: 10.4.21
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: dev-css-sass
- dependency-name: cssnano
  dependency-version: 7.0.7
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: dev-css-sass
- dependency-name: postcss
  dependency-version: 8.5.6
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: dev-css-sass
- dependency-name: sass
  dependency-version: 1.89.2
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dev-css-sass
...

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

Author: dependabot[bot]