Bump sass-loader from 12.6.0 to 13.0.2

Bumps [sass-loader](https://github.com/webpack-contrib/sass-loader) from 12.6.0 to 13.0.2.
- [Release notes](https://github.com/webpack-contrib/sass-loader/releases)
- [Changelog](https://github.com/webpack-contrib/sass-loader/blob/master/CHANGELOG.md)
- [Commits](webpack/sass-loader@v12.6.0...v13.0.2)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]