Merge pull request #346 from textpattern/greenkeeper/css-loader-2.0.0

Update css-loader to the latest version 🚀

Author: philwareham

package.json

@@ -29,7 +29,7 @@
     "clean-webpack-plugin": "1.0.0",
     "copy-webpack-plugin": "4.6.0",
     "cross-env": "5.2.0",
-    "css-loader": "1.0.1",
+    "css-loader": "2.0.0",
     "dart-sass": "1.15.2",
     "fibers": "3.1.1",
     "file-loader": "2.0.0",