chore(package): update clean-webpack-plugin to version 2.0.1

Author: greenkeeper[bot]

package.json

@@ -45,7 +45,7 @@
     "babel-jest": "23.6.0",
     "babel-loader": "8.0.5",
     "babel-plugin-angularjs-annotate": "0.10.0",
-    "clean-webpack-plugin": "1.0.0",
+    "clean-webpack-plugin": "2.0.1",
     "copy-webpack-plugin": "5.0.1",
     "css-loader": "2.1.1",
     "enzyme": "3.9.0",