Bump node-sass from 8.0.0 to 9.0.0

Bumps [node-sass](https://github.com/sass/node-sass) from 8.0.0 to 9.0.0.
- [Release notes](https://github.com/sass/node-sass/releases)
- [Changelog](https://github.com/sass/node-sass/blob/master/CHANGELOG.md)
- [Commits](sass/node-sass@v8.0.0...v9.0.0)

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

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

Author: dependabot[bot]

demo/package.json

@@ -11,7 +11,7 @@
     "@types/lodash": "^4.14.140",
     "clean-webpack-plugin": "^4.0.0",
     "css-loader": "^6.1.0",
-    "node-sass": "^8.0.0",
+    "node-sass": "^9.0.0",
     "sass-loader": "^12.0.0",
     "style-loader": "^3.0.0",
     "ts-loader": "^9.1.2",