test: fix CVE-2025-4673 in trivy action

[andyzhangx]

What type of PR is this?
/kind failing-test

What this PR does / why we need it:
test: fix CVE-2025-4673 in trivy action

Which issue(s) this PR fixes:

Fixes #

Requirements:

• uses conventional commit messages
• includes documentation
• adds unit tests
• tested upgrade from previous version

Special notes for your reviewer:

Release note:

none

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: andyzhangx

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• OWNERS [andyzhangx]

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[coveralls]

Pull Request Test Coverage Report for Build 15647189956

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 78.693%

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Totals
Change from base Build 15503467737:	0.0%
Covered Lines:	1108
Relevant Lines:	1408

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💛 - Coveralls