fix: update time format in audit webhook configuration

[MuneebAijaz]

Summary

This PR fixes time translation from the Custom Resource to the container args, for setting audit webhook configuration.
Currently the function returns Struct format and passes it to the container args, which gives an error
Error: invalid argument "&Duration{Duration:30s,}" for "--audit-webhook-batch-max-wait" flag: time: invalid duration "&Duration{Duration:30s,}"

What Type of PR Is This?

Related Issue(s)

Fixes #

Release Notes

fixed time format in audit webhook configuration when passing the value to container args 

[kcp-ci-bot]

Hi @MuneebAijaz. Thanks for your PR.

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[olamilekan000]

can you open an issue and link it to this PR?

[xrstf]

/ok-to-test
/approve

[kcp-ci-bot]

[APPROVALNOTIFIER] This PR is APPROVED

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[xrstf]

/kind bug

[Copilot]

Pull request overview

Fixes audit webhook duration args rendering so metav1.Duration values are passed to the container as valid Go duration strings (e.g., 30s) instead of a struct representation that breaks flag parsing.

Changes:

• Render BatchMaxWait as val.Duration.String() when building --audit-webhook-batch-max-wait.
• Render InitialBackoff as val.Duration.String() when building --audit-webhook-initial-backoff.

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[Copilot]

Consider adding a unit test for the updated duration formatting (e.g., when BatchMaxWait/InitialBackoff are set to 30s, the resulting container args contain --audit-webhook-batch-max-wait=30s / --audit-webhook-initial-backoff=30s). This would prevent regressions back to printing the metav1.Duration struct representation, which breaks flag parsing.

[xrstf]

@MuneebAijaz Could you please? :)

[embik]

can you open an issue and link it to this PR?

I honestly dont think this is necessary, release notes come from PRs and not issues :-)