Update CVE-2018-3779.yml

Add more relevant URLs

Author: reedloden

gems/active-support/CVE-2018-3779.yml

@@ -1,7 +1,7 @@
 ---
 gem: active-support
 cve: 2018-3779
-url: https://rubygems.org/gems/active-support
+url: https://hackerone.com/reports/392311
 title: Malicious ruby gem - active-support
 date: 2018-08-09
 
@@ -11,3 +11,7 @@ description: |
   domain, downloads a payload, and executes.
 
   Replace this gem with the official `activesupport` gem.
+
+related:
+  url:
+    - https://github.com/rubygems/rubygems.org/pull/1762