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

Closes #31

Author: greenkeeper[bot]

package.json

@@ -33,7 +33,7 @@
     "babel-loader": "8.0.6",
     "codecov": "^3.1.0",
     "cross-env": "^5.2.0",
-    "css-loader": "3.0.0",
+    "css-loader": "3.2.1",
     "enzyme": "^3.7.0",
     "enzyme-adapter-react-16": "^1.6.0",
     "eslint": "6.0.1",