fix(helm): trivy server value typo

[ABWassim]

Description

This PR fixes the typo introduced in commit f652926#diff-fcb9b9ad942468c142ea99160a28f7b76079583996e888e9801bce4f0f104784R98 that impacts the usage of Trivy Operator in Client/Server mode.

Like mentioned in the issue though, it looks like the commit that introduced the issue was done by a CI/CD process ?

Related issues

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Checklist

• I've read the guidelines for contributing to this repository.
• I've added tests that prove my fix is effective or that my feature works.
• I've updated the documentation with the relevant information (if needed).
• I've added usage information (if the PR introduces new options)
• I've included a "before" and "after" example to the description (if the PR is a user interface change).

[CLAassistant]

All committers have signed the CLA.

[chen-keinan]

@ABWassim lgtm 🚀 thank you for the contributions