[artifactory] resource constraints for "setup" initContainer of nginx deployment

[andrewrothstein]

PR Checklist

[Place an '[x]' (no spaces) in all applicable fields. Please remove unrelated fields.]

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

What this PR does / why we need it: my cluster requires resource constraints on all containers

Which issue this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close that issue when PR gets merged): fixes #

fixes #962

Special notes for your reviewer:

[github-actions[bot]]

CLA Assistant Lite bot All contributors have signed the CLA ✍️ ✅

[andrewrothstein]

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

[andrewrothstein]

Is there anyone out there?

[RobinDuhan]

Thanks for the PR, Andrew. We are checking, and will be taking this in next patch and it will be available in next couple of weeks, 784.x.