fix os handling when trivy sets pkgType on properties

[fnxpt]

Description

Handles PkgType trivy property

Addressed Issue

Fixes #3721

Checklist

• I have read and understand the contributing guidelines
• This PR fixes a defect, and I have provided tests to verify that the fix is effective
• This PR implements an enhancement, and I have provided tests to verify that it works as intended
• This PR introduces changes to the database model, and I have added corresponding update logic
• This PR introduces new or alters existing behavior, and I have updated the documentation accordingly

[nscuro]

Thanks @fnxpt! Could you add a test for this in TrivyAnalysisTaskIntegrationTest?

[nscuro]

Please rebase the PR with master, then the build should pass.

[fnxpt]

rebase seems to have worked, I will add the test later

[fnxpt]

@nscuro Test added

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ +0.03% (target: -1.00%)	✅ 100.00% (target: 70.00%)

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (51108cf)	21642	16390	75.73%
Head commit (3982290)	21648 (+6)	16400 (+10)	75.76% (+0.03%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#3727)	6	6	100.00%

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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[nscuro]

Thanks @fnxpt for the super fast debugging and fix!