chore(package): update babel-loader to version 8.0.6

Closes #62

Author: greenkeeper[bot]

package.json

@@ -66,7 +66,7 @@
     "@babel/preset-env": "^7.0.0-beta.49",
     "@babel/preset-es2015": "^7.0.0-beta.49",
     "@babel/register": "^7.0.0-beta.49",
-    "babel-loader": "8.0.0",
+    "babel-loader": "8.0.6",
     "babel-eslint": "8.2.6",
     "babel-plugin-add-module-exports": "0.3.3",
     "babel-plugin-istanbul": "^4.1.6",