Add wolfi security advisories

See https://github.com/chainguard-dev/vulnerability-scanner-support/blob/main/docs/scanning_implementation.md

The license of the data is unknown:
- https://packages.wolfi.dev/os/security.json
- https://packages.cgr.dev/chainguard/security.json

See https://github.com/wolfi-dev/wolfictl/issues/680 for the upstream issue

The format is the same as alpine: https://secdb.alpinelinux.org/