fix(front): bring back storage.googleapis.com to connect_src (#456)

## 📝 Description

`storage.googleapis.com` is still used for test results.

## ✅ Checklist
- [ ] I have tested this change
- [ ] This change requires documentation update

Author: radwo

front/lib/front_web/plugs/content_security_policy.ex

@@ -61,6 +61,7 @@ defmodule FrontWeb.Plug.ContentSecurityPolicy do
       "ekr.zdassets.com",
       "beaconapi.helpscout.net",
       "chatapi.helpscout.net",
+      "storage.googleapis.com",
       "d3hb14vkzrxvla.cloudfront.net",
       "wss://*.pusher.com",
       "*.sumologic.com",