Bump style-loader from 0.19.1 to 0.23.1

Bumps [style-loader](https://github.com/webpack-contrib/style-loader) from 0.19.1 to 0.23.1.
- [Release notes](https://github.com/webpack-contrib/style-loader/releases)
- [Changelog](https://github.com/webpack-contrib/style-loader/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/style-loader/compare/v0.19.1...v0.23.1)

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

package.json

@@ -38,7 +38,7 @@
     "postcss-loader": "^2.0.8",
     "sass-loader": "^6.0.6",
     "shx": "^0.2.2",
-    "style-loader": "^0.19.0",
+    "style-loader": "^0.23.1",
     "stylelint": "^8.2.0",
     "stylelint-config-standard": "^17.0.0",
     "webpack": "^3.8.1",