chore(package): update babel-core to version 6.22.1 (#842)

Author: greenkeeperio-bot

package.json

@@ -43,7 +43,7 @@
   "dependencies": {
     "accepts": "1.3.3",
     "ansi-html": "0.0.7",
-    "babel-core": "6.21.0",
+    "babel-core": "6.22.1",
     "babel-generator": "6.21.0",
     "babel-loader": "6.2.10",
     "babel-plugin-module-resolver": "2.4.0",