chore(package): update babel-cli to version 6.26.0 (#4098)

Author: greenkeeper[bot]

package.json

@@ -44,7 +44,7 @@
     "ws": "3.1.0"
   },
   "devDependencies": {
-    "babel-cli": "6.24.1",
+    "babel-cli": "6.26.0",
     "babel-core": "6.26.0",
     "babel-eslint": "^7.1.1",
     "babel-plugin-syntax-flow": "6.18.0",