Merge pull request #401 from textpattern/greenkeeper/mini-css-extract-plugin-0.8.1

Update mini-css-extract-plugin to the latest version 🚀

Author: philwareham

package.json

@@ -21,7 +21,7 @@
     "clean-webpack-plugin": "3.0.0",
     "cross-env": "6.0.3",
     "css-loader": "3.3.2",
-    "mini-css-extract-plugin": "0.8.0",
+    "mini-css-extract-plugin": "0.8.1",
     "postcss-loader": "3.0.0",
     "sass": "1.23.7",
     "sass-loader": "8.0.0",