chore(package): update babel-plugin-transform-es2015-block-scoping to version 6.18.0

https://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -49,7 +49,7 @@
     "babel-loader": "^6.2.4",
     "babel-plugin-check-es2015-constants": "^6.8.0",
     "babel-plugin-transform-es2015-arrow-functions": "^6.8.0",
-    "babel-plugin-transform-es2015-block-scoping": "^6.10.1",
+    "babel-plugin-transform-es2015-block-scoping": "^6.18.0",
     "babel-polyfill": "^6.13.0",
     "babel-preset-es2015": "^6.13.2",
     "babelify": "^7.3.0",