[artifactory-ha] fix: template doesnt work with awsSdkV2 = false

[gwyn-bleidd]

PR Checklist

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• Chart Version bumped
• CHANGELOG.md updated
• Variables and other changes are documented in the README.md
• Title of the PR starts with chart name (e.g. [artifactory])

What this PR does / why we need it:

Fix for problem with custom S3 provider after updating to new artifactory version

The provided 'x-amz-content-sha256' header does not match what was computed. (Service: S3, Status Code: 400

Special notes for your reviewer:

function with in helm works only if statement isn't nill, but false = nil

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[gwyn-bleidd]

I have read the CLA Document and I hereby sign the CLA