Bump sass-loader from 10.2.0 to 12.4.0

Bumps [sass-loader](https://github.com/webpack-contrib/sass-loader) from 10.2.0 to 12.4.0.
- [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/v10.2.0...v12.4.0

)

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

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