Bump sass-loader from 12.6.0 to 14.0.0

Bumps [sass-loader](https://github.com/webpack-contrib/sass-loader) from 12.6.0 to 14.0.0.
- [Release notes](https://github.com/webpack-contrib/sass-loader/releases)
- [Changelog](https://github.com/webpack-contrib/sass-loader/blob/master/CHANGELOG.md)
- [Commits](webpack-contrib/sass-loader@v12.6.0...v14.0.0)

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

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

demo/package.json

@@ -12,7 +12,7 @@
     "clean-webpack-plugin": "^4.0.0",
     "css-loader": "^6.1.0",
     "node-sass": "^8.0.0",
-    "sass-loader": "^12.0.0",
+    "sass-loader": "^14.0.0",
     "style-loader": "^3.0.0",
     "ts-loader": "^9.1.2",
     "webpack": "^5.26.0",