GHSA SYNC: Added cvss_v3 field to 1 advisory

Author: jasnow

gems/rdoc/CVE-2024-27281.yml

@@ -29,6 +29,7 @@ description: |
 
   Note: 6.3.4, 6.4.1, 6.5.1 and 6.6.3 have a incorrect fix. We recommend to
   upgrade 6.3.4.1, 6.4.1.1, 6.5.1.1 and 6.6.3.1 instead of them.
+cvss_v3: 4.5
 patched_versions:
   - "~> 6.3.4, >= 6.3.4.1"
   - "~> 6.4.1, >= 6.4.1.1"