Merge pull request #200 from CodeForSocialGood/greenkeeper/style-loader-0.21.0

Update style-loader to the latest version 🚀

Author: sexta13

package.json

@@ -72,7 +72,7 @@
     "rollbar": "^2.3.2",
     "sass-loader": "^7.0.1",
     "sendmail": "^1.2.0",
-    "style-loader": "^0.20.0",
+    "style-loader": "^0.21.0",
     "url-loader": "^1.0.0",
     "webpack": "^4.0.0",
     "webpack-bundle-analyzer": "^2.9.2",