Merge pull request #249 from textpattern/greenkeeper/clean-webpack-plugin-1.0.1

Update clean-webpack-plugin to the latest version 🚀

Author: philwareham

package.json

@@ -18,7 +18,7 @@
   },
   "devDependencies": {
     "autoprefixer": "9.4.6",
-    "clean-webpack-plugin": "1.0.0",
+    "clean-webpack-plugin": "1.0.1",
     "cross-env": "5.2.0",
     "css-loader": "2.1.0",
     "dart-sass": "1.16.1",