chore(package): update css-loader to version 3.2.1

Closes #109

Author: greenkeeper[bot]

package.json

@@ -44,7 +44,7 @@
     "babel-core": "^7.0.0-bridge.0",
     "babel-loader": "^8.0.5",
     "cross-env": "^5.2.0",
-    "css-loader": "^2.1.1",
+    "css-loader": "^3.2.1",
     "enzyme": "^3.9.0",
     "enzyme-adapter-react-16": "^1.12.1",
     "enzyme-to-json": "^3.3.5",