Add 2,1,8 patched version for CVE-2009-5147

Author: jasnow

rubies/ruby/CVE-2009-5147.yml

@@ -15,9 +15,11 @@ unaffected_versions:
   - ">= 1.9.2"
 patched_versions:
   - "~> 1.9.1.129"
+  - ">= >= 2.1.8"
 related:
   url:
     - https://nvd.nist.gov/vuln/detail/CVE-2009-5147
+    - https://www.ruby-lang.org/en/news/2015/12/16/ruby-2-1-8-released
     - https://www.ruby-lang.org/en/news/2009/05/12/ruby-1-9-1-p129-released
     - https://github.com/ruby/ruby/commit/4600cf725a86ce31266153647ae5aa1197b1215b
     - https://github.com/ruby/ruby/commit/7269e3de3cee3bbb6ab77fc708f3a10cab00b65e