NOISSUE - Add vTPM AK hash to SEV-SNP report

[danko-miladinovic]

What type of PR is this?

This is a small update. The PR adds the hash of the attestation key (AK) of the vTPM to the SEV-SNP report. The idea is to further strengthen the cryptographic bond between the vTPM and the SEV-SNP.

What does this do?

The OR adds the AK of the vTPM to the REPORT_DATA fields of the SEV-SNP attestation report.

Which issue(s) does this PR fix/relate to?

No issue.

Have you included tests for your changes?

Did you document any new/modified feature?

Notes

[codecov]

Codecov Report

❌ Patch coverage is 0% with 12 lines in your changes missing coverage. Please review.
✅ Project coverage is 69.30%. Comparing base (364724f) to head (a3396a0).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/attestation/vtpm/vtpm.go	0.00%	12 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #543      +/-   ##
==========================================
+ Coverage   66.90%   69.30%   +2.39%     
==========================================
  Files          76       76              
  Lines        6884     5554    -1330     
==========================================
- Hits         4606     3849     -757     
+ Misses       1936     1363     -573     
  Partials      342      342              

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