Bump node-sass from 4.14.0 to 5.0.0

Bumps [node-sass](https://github.com/sass/node-sass) from 4.14.0 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](sass/node-sass@v4.14.0...v5.0.0)

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

package.json

@@ -53,7 +53,7 @@
     "file-loader": "^6.2.0",
     "html-webpack-plugin": "^4.5.2",
     "minimist": "^1.2.5",
-    "node-sass": "^4.14.0",
+    "node-sass": "^5.0.0",
     "prettier": "^2.2.1",
     "react-hot-loader": "^4.13.0",
     "reselect": "4.0.0",