Update babel7 to the latest version 🚀 (#5089)

* chore(package): update @babel/cli to version 7.1.1

* chore(package): update @babel/core to version 7.1.1

* chore(package): update lockfile package-lock.json

Author: greenkeeper[bot]

package-lock.json

@@ -45,8 +45,8 @@
     "ws": "6.0.0"
   },
   "devDependencies": {
-    "@babel/cli": "7.1.0",
-    "@babel/core": "7.1.0",
+    "@babel/cli": "7.1.1",
+    "@babel/core": "7.1.1",
     "@babel/plugin-transform-flow-strip-types": "7.0.0",
     "@babel/plugin-proposal-object-rest-spread": "7.0.0",
     "@babel/preset-env": "7.1.0",