Bump node-sass from 6.0.0 to 7.0.0

Bumps [node-sass](https://github.com/sass/node-sass) from 6.0.0 to 7.0.0.
- [Release notes](https://github.com/sass/node-sass/releases)
- [Changelog](https://github.com/sass/node-sass/blob/master/CHANGELOG.md)
- [Commits](sass/node-sass@v6.0.0...v7.0.0)

---
updated-dependencies:
- dependency-name: node-sass
  dependency-type: direct:development
...

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

Author: dependabot[bot]

package.json

@@ -34,7 +34,7 @@
     "file-loader": "^6.2.0",
     "html-webpack-plugin": "^5.3.1",
     "mini-css-extract-plugin": "^1.6.0",
-    "node-sass": "^6.0.0",
+    "node-sass": "^7.0.0",
     "optimize-css-assets-webpack-plugin": "^6.0.0",
     "postcss": "^8.3.0",
     "postcss-cssnext": "^3.1.0",