Enhance `Json schema yaml validation` PR #1054

[jasnow]

Enhance Json schema yaml validation PR #1054. Please add:

1. PR#585 check(s).
2. These new checks for:
   • CVE: value in RELATED/CVE: field
   • GHSA: value in RELATED/GHSA: field
   • OSVDB: value in RELATED/OSVB: field
3. Update README.md and CONTRIBUTING.md as needed.