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-preview[bot] <support@dependabot.com>

package.json

@@ -34,7 +34,7 @@
     "extract-text-webpack-plugin": "^3.0.2",
     "html-webpack-plugin": "^3.2.0",
     "imagemin-webpack-plugin": "^2.4.2",
-    "node-sass": "^4.14.1",
+    "node-sass": "^5.0.0",
     "postcss-loader": "^3.0.0",
     "postcss-preset-env": "^6.7.0",
     "sass-loader": "^7.3.1",