Draft: Resolve "Build proof of concept for Project PDF export of security reports"

What does this MR do and why?

References

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MR acceptance checklist

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Screenshots or screen recordings

Current Demo	Current PoC	Current pdf
Screencast_from_2025-03-05_13-25-39		gitlab-org_vulnerabilities_2025-03-05T0626.pdf

How to set up and validate locally

Numbered steps to set up and validate the change are strongly suggested.

Related to #517980 (closed)