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

Closes #57

Author: greenkeeper[bot]

package.json

@@ -49,7 +49,7 @@
     "babel-eslint": "^8.2.6",
     "babel-helper-vue-jsx-merge-props": "^2.0.3",
     "babel-jest": "^23.6.0",
-    "babel-loader": "^7.1.5",
+    "babel-loader": "^8.1.0",
     "babel-plugin-dynamic-import-node": "^1.2.0",
     "babel-plugin-syntax-jsx": "^6.18.0",
     "babel-plugin-transform-es2015-modules-commonjs": "^6.26.0",