fix(package): update babel-loader to version 8.0.1

Closes #151

Author: greenkeeper[bot]

package.json

@@ -26,7 +26,7 @@
     "babel-core": "^6.24.1",
     "babel-eslint": "^8.0.1",
     "babel-jest": "^22.2.2",
-    "babel-loader": "^7.1.1",
+    "babel-loader": "^8.0.1",
     "babel-plugin-transform-decorators-legacy": "^1.3.4",
     "babel-preset-es2015": "^6.24.1",
     "babel-preset-react": "^6.24.1",