chore(package): update babel-loader to version 8.1.0

Closes #9

Author: greenkeeper[bot]

package.json

@@ -45,7 +45,7 @@
     "babel-cli": "^6.24.1",
     "babel-core": "^6.24.1",
     "babel-eslint": "^10.0.2",
-    "babel-loader": "^7.0.0",
+    "babel-loader": "^8.1.0",
     "babel-plugin-transform-class-properties": "^6.24.1",
     "babel-plugin-transform-object-rest-spread": "^6.23.0",
     "babel-plugin-transform-react-jsx": "^6.24.1",