chore(package): update script-ext-html-webpack-plugin to version 1.6.2 (PatrickJS#1481)

https://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -133,7 +133,7 @@
  "raw-loader": "0.5.1",
  "rimraf": "~2.5.4",
  "sass-loader": "^4.1.1",
- "script-ext-html-webpack-plugin": "^1.5.0",
+ "script-ext-html-webpack-plugin": "^1.6.2",
  "source-map-loader": "^0.1.5",
  "string-replace-loader": "1.0.5",
  "style-loader": "^0.13.1",