chore(package): update babel-register to version 6.4.3

http://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -31,7 +31,7 @@
   "devDependencies": {
     "babel-core": "6.4.0",
     "babel-preset-es2015": "6.3.13",
-    "babel-register": "6.3.13",
+    "babel-register": "6.4.3",
     "chai": "3.4.1",
     "coveralls": "2.11.6",
     "cz-conventional-changelog": "1.1.5",