build(deps-dev): bump sass-loader from 11.0.1 to 12.1.0 in /html (#702)

Bumps [sass-loader](https://github.com/webpack-contrib/sass-loader) from 11.0.1 to 12.1.0.
- [Release notes](https://github.com/webpack-contrib/sass-loader/releases)
- [Changelog](https://github.com/webpack-contrib/sass-loader/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/sass-loader/compare/v11.0.1...v12.1.0

)

---
updated-dependencies:
- dependency-name: sass-loader
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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