Bump style-loader from 0.21.0 to 3.3.1

Bumps [style-loader](https://github.com/webpack-contrib/style-loader) from 0.21.0 to 3.3.1.
- [Release notes](https://github.com/webpack-contrib/style-loader/releases)
- [Changelog](https://github.com/webpack-contrib/style-loader/blob/master/CHANGELOG.md)
- [Commits](webpack/style-loader@v0.21.0...v3.3.1)

---
updated-dependencies:
- dependency-name: style-loader
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package-lock.json

@@ -50,7 +50,7 @@
 		"react-router": "^4.2.0",
 		"react-router-dom": "^4.2.2",
 		"react-sortable-hoc": "^0.8.3",
-		"style-loader": "^0.21.0",
+		"style-loader": "^3.3.1",
 		"styled-jsx": "^5.0.0"
 	}
 }