build(deps-dev): bump node-sass from 4.14.1 to 5.0.0

Bumps [node-sass](https://github.com/sass/node-sass) from 4.14.1 to 5.0.0.
- [Release notes](https://github.com/sass/node-sass/releases)
- [Changelog](https://github.com/sass/node-sass/blob/master/CHANGELOG.md)
- [Commits](https://github.com/sass/node-sass/compare/v4.14.1...v5.0.0)

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

package.json

@@ -80,7 +80,7 @@
     "eslint-plugin-standard": "^4.0.2",
     "eslint-plugin-vue": "^7.1.0",
     "monaco-editor-webpack-plugin": "^1.9.1",
-    "node-sass": "^4.14.1",
+    "node-sass": "^5.0.0",
     "sass-loader": "^10.0.4",
     "standard-version": "^9.0.0",
     "stylelint": "^13.7.2",