chore(hack): upgrade Trivy to v0.56.1 for consistency with CI

[MAVRICK-1]

What type of PR is this?

/kind cleanup

What this PR does / why we need it:

• Updated Trivy Version: Changed the version from v0.48.1 to v0.53.0 to ensure consistency across local usage and GitHub CI.

Which issue(s) this PR fixes:
Part of #5484 update hack/scan-image-vuln.sh

Special notes for your reviewer:

• This change aligns the Trivy version used in the script with the version used in the CI workflow.

Does this PR introduce a user-facing change?

NONE

[karmada-bot]

@MAVRICK-1: The label(s) kind/enhancement cannot be applied, because the repository doesn't have them.

In response to this:

What type of PR is this?

/kind enhancement

What this PR does / why we need it:

• Updated Trivy Version: Changed the version from v0.48.1 to v0.53.0 to ensure consistency across local usage and GitHub CI.

Which issue(s) this PR fixes:
Part of #5484 update hack/scan-image-vuln.sh

Special notes for your reviewer:

• This change aligns the Trivy version used in the script with the version used in the CI workflow.

Does this PR introduce a user-facing change?

NONE

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.

[codecov-commenter]

⚠️ Please install the to ensure uploads and comments are reliably processed by Codecov.

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 39.74%. Comparing base (ffbbe06) to head (cb16f59).
Report is 2 commits behind head on master.

❗ Your organization needs to install the Codecov GitHub app to enable full functionality.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #5710   +/-   ##
=======================================
  Coverage   39.74%   39.74%           
=======================================
  Files         650      650           
  Lines       55125    55125           
=======================================
+ Hits        21909    21910    +1     
  Misses      31807    31807           
+ Partials     1409     1408    -1     

Flag	Coverage Δ
unittests	39.74% <ø> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[RainbowMango]

/lgtm
/assign @zhzhuang-zju

[RainbowMango]

/lgtm
/approve

[karmada-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: RainbowMango

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• hack/OWNERS [RainbowMango]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[RainbowMango]

/hold

[RainbowMango]

@MAVRICK-1 would you mind squashing the commits?

[MAVRICK-1]

Okay 👍

[zhzhuang-zju]

/retitle chore(hack): upgrade Trivy to v0.56.1 for consistency with CI