Update js-beautify to the latest version 🚀 (#1032)

* chore(package): update js-beautify to version 1.9.1

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

Author: greenkeeper[bot]

package-lock.json

@@ -69,7 +69,7 @@
     "immutable": "3.8.1",
     "immutable-devtools": "0.1.3",
     "jest-cli": "23.2.0",
-    "js-beautify": "1.9.0",
+    "js-beautify": "1.9.1",
     "marked": "0.6.1",
     "node-sass": "4.9.3",
     "parse": "2.2.1",