Bump postcss-scss from 4.0.3 to 4.0.4

Bumps [postcss-scss](https://github.com/postcss/postcss-scss) from 4.0.3 to 4.0.4.
- [Release notes](https://github.com/postcss/postcss-scss/releases)
- [Changelog](https://github.com/postcss/postcss-scss/blob/main/CHANGELOG.md)
- [Commits](https://github.com/postcss/postcss-scss/compare/4.0.3...4.0.4)

---
updated-dependencies:
- dependency-name: postcss-scss
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

package.json

@@ -52,7 +52,7 @@
     "node-sass": "^7.0.1",
     "postcss": "^8.4.13",
     "postcss-loader": "^6.2.1",
-    "postcss-scss": "^4.0.3",
+    "postcss-scss": "^4.0.4",
     "sass": "^1.51.0",
     "sass-loader": "^12.6.0",
     "style-loader": "^3.3.1",