Update babel7 to the latest version 🚀 (#755)

* chore(package): update @babel/preset-env to version 7.4.2

* chore(package): update @babel/runtime to version 7.4.2

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

Author: greenkeeper[bot]

package-lock.json

@@ -28,7 +28,7 @@
     "react-native": false
   },
   "dependencies": {
-    "@babel/runtime": "^7.4.0",
+    "@babel/runtime": "^7.4.2",
     "ws": "6.2.0",
     "xmlhttprequest": "1.8.0"
   },
@@ -39,7 +39,7 @@
     "@babel/plugin-transform-flow-strip-types": "7.4.0",
     "@babel/plugin-transform-runtime": "7.4.0",
     "@babel/polyfill": "7.4.0",
-    "@babel/preset-env": "7.4.1",
+    "@babel/preset-env": "7.4.2",
     "@babel/preset-react": "7.0.0",
     "@parse/minami": "^1.0.0",
     "babel-core": "^7.0.0-bridge.0",