fix: skip UNK-* and Re cves

[DmitriyLewen]

Description

This PR fixes an issue in the Photon OS vulnerability data processing by skipping unknown CVE entries (UNK-* and Re prefixed entries) that lack version information. The fix prevents processing of incomplete or placeholder CVE entries
that don't provide meaningful vulnerability information.

Changes Made

• photon/photon.go:90-105: Added logic in saveCVEPerPkg function to skip CVE entries with UNK-* or Re prefixes when both affected version (AffVer) and resolved version (ResVer) are empty or "NA"
• photon/photon.go:90,112: Updated function signature to use strongly-typed PhotonCVE parameter instead of generic interface{}
• photon/testdata/: Added test data for CVE-2025-0725 and UNK-1 entries to validate the filtering logic
• photon/photon_test.go: Updated test expectations to include the new CVE entry that should be processed

The fix ensures that only meaningful CVE entries with proper version information are processed and stored, while filtering out placeholder or incomplete entries that don't provide actionable vulnerability data.

Examples of these CVEs - aquasecurity/vuln-list@80e4c49#diff-e615c72b692e17b1c1fe08855e258663dd189530fa880d0b7c47a88a4cb7f5d6

Test pipeline run

• https://github.com/DmitriyLewen/vuln-list-update/actions/runs/18934803610/job/54058943538

[Copilot]

Pull Request Overview

This PR adds filtering logic to skip unknown CVE entries (prefixed with "UNK-" or "Re") that lack version information (both affected and resolved versions are empty or "NA"). The change improves type safety by updating the function signature from interface{} to PhotonCVE, and includes test data for the new filtering behavior.

• Added skip logic for unknown CVE entries without version information
• Changed function parameter type from interface{} to PhotonCVE for type safety
• Added test data for CVE-2025-0725 (valid CVE with NA versions) and UNK-1 (unknown CVE to be filtered)

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 2 comments.

File	Description
photon/photon.go	Implemented filtering logic and improved type safety in saveCVEPerPkg
photon/testdata/cve_data_photon3.0.json	Added test entries for UNK-1 and CVE-2025-0725
photon/testdata/golden/CVE-2025-0725.json	Added expected output for CVE-2025-0725
photon/photon_test.go	Updated test expectations to include CVE-2025-0725 golden file

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