Move Helm chart to `DependencyTrack/helm-charts`

[nscuro]

Current Behavior

The Helm chart currently lives at https://github.com/DependencyTrack/hyades/tree/main/helm-charts/hyades, and is not published to any chart repository. That makes it hard to discover, and cumbersome to deploy.

Proposed Behavior

We now have an official chart repository in the DependencyTrack org. Move the chart there.

https://github.com/DependencyTrack/helm-charts

Checklist

• [X] I have read and understand the contributing guidelines
• [X] I have checked the existing issues for whether this enhancement was already requested