Bump node-sass from 4.14.1 to 9.0.0

Bumps [node-sass](https://github.com/sass/node-sass) from 4.14.1 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@v4.14.1...v9.0.0)

---
updated-dependencies:
- dependency-name: node-sass
  dependency-version: 9.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package.json

@@ -53,7 +53,7 @@
     "babel-core": "^7.0.0-bridge.0",
     "growl": "^1.10.5",
     "https-proxy-agent": "^2.2.4",
-    "node-sass": "^4.13.0",
+    "node-sass": "^9.0.0",
     "sass-loader": "^8.0.2",
     "uuid": "^7.0.2",
     "vue-template-compiler": "^2.6.10"