Merge pull request #8097 from mozilla/greenkeeper/uglify-js-3.3.22

Update uglify-js to the latest version 🚀
2018-04-23 07:21:23 +02:00 · 2018-04-23 07:21:23 +02:00 · 9c56fe0121
--- a/package.json
+++ b/package.json
@ -25,7 +25,7 @@
    "source-map": "0.7.2",
    "raven-js": "3.24.2",
    "timeago": "1.6.2",
-    "uglify-js": "3.3.21",
+    "uglify-js": "3.3.22",
    "underscore": "1.9.0"
  },
  "devDependencies": {