chore(package): update babel-plugin-dynamic-import-node to version 2.3.0

Closes #198

Author: greenkeeper[bot]

package.json

@@ -113,7 +113,7 @@
     "ava": "^0.18.2",
     "babel-loader": "^6.3.2",
     "babel-plugin-espower": "^2.3.2",
-    "babel-plugin-dynamic-import-node": "^1.2.0",
+    "babel-plugin-dynamic-import-node": "^2.3.0",
     "babel-plugin-syntax-trailing-function-commas": "^6.22.0",
     "babel-plugin-transform-async-generator-functions": "^6.24.1",
     "babel-plugin-transform-async-to-generator": "^6.22.0",