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

Closes #567

Author: greenkeeper[bot]

package.json

@@ -128,7 +128,7 @@
     "codelyzer": "~3.2.1",
     "commander": "^2.9.0",
     "copy-webpack-plugin": "^4.0.0",
-    "css-loader": "^0.28.0",
+    "css-loader": "^3.2.1",
     "csv-parse": "^2.0.0",
     "es6-promise-loader": "^1.0.1",
     "exports-loader": "^0.6.3",