Bump node-sass from 6.0.1 to 7.0.0 in /scoreboard/frontend

Bumps [node-sass](https://github.com/sass/node-sass) from 6.0.1 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@v6.0.1...v7.0.0)

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

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

Author: dependabot[bot]

scoreboard/frontend/package-lock.json

@@ -19,7 +19,7 @@
     "eslint": "^7.32.0",
     "eslint-plugin-react-hooks": "^4.2.1-alpha-46a0f050a-20210828",
     "import-glob-loader": "^1.1.0",
-    "node-sass": "^6.0.1",
+    "node-sass": "^7.0.0",
     "react": "^17.0.2",
     "react-addons-css-transition-group": "^15.6.2",
     "react-dom": "^17.0.2",