Release version v1.5.1

[sangli-pensando]

This pull request adds support for the v1.5.1 release of the AMD GPU Operator Helm chart. The main updates include registering the new chart version in the Helm index and specifying the container images and dependencies required for this release.

New chart release and metadata:

• Added a new entry for gpu-operator-charts version v1.5.1 in index.yaml, including chart metadata, dependencies, keywords, and maintainers.
• Updated the generated timestamp in index.yaml to reflect the latest chart index generation.

Image definitions:

• Added the images section to charts/gpu-operator-charts-v1.5.1_meta.yml, specifying all container images (with tags and component mappings) used by the v1.5.1 chart.## Motivation

Technical Details

Test Plan

Test Result

Submission Checklist

• Look over the contributing guidelines at https://github.com/ROCm/ROCm/blob/develop/CONTRIBUTING.md#pull-requests.

[Copilot]

Pull request overview

This pull request updates the Helm chart repository index to publish the AMD GPU Operator Helm chart v1.5.1, and adds the corresponding metadata file used to enumerate container images for that chart release.

Changes:

• Added a new gpu-operator-charts entry for chart/app version v1.5.1 to index.yaml (including dependencies and download URL).
• Updated the generated timestamp in index.yaml.
• Added charts/gpu-operator-charts-v1.5.1_meta.yml defining the container images used by the v1.5.1 chart.

Reviewed changes

Copilot reviewed 2 out of 3 changed files in this pull request and generated no comments.

File	Description
index.yaml	Registers the gpu-operator-charts v1.5.1 chart release and updates the index generation timestamp.
charts/gpu-operator-charts-v1.5.1_meta.yml	Introduces the image inventory metadata for the v1.5.1 release.

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