revert the CUDA samples version bump to v13.2

[tariq1890]

This reverts PR #2620

To align with the Supported architectures and GPUs of R580, we use the CUDA Samples version that is compatible with all the devices supported by R580.

This means that the CUDA Samples version will remain unchanged for as long as R580 is supported (EOL June 2028).

[coderabbitai]

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• docker/Dockerfile

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📝 Walkthrough

Walkthrough

The Dockerfile downgrades CUDA Samples from 13.2 to 12.9. Comments identify R580 as the minimum supported driver branch and document Maxwell compatibility. Sample extraction now includes the selected sample and Common directories without the cmake directory wildcard.

Merge Risk: ⚪ Minimal · up to bf1ce

This localized Dockerfile change restores the CUDA Samples version to 12.9 and adjusts sample extraction; no actionable merge-blocking risk remains beyond normal checks and review.

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[coveralls]

coverage: 37.917%. remained the same — revert-pr-2620 into main

[cdesiniotis]

/cherry-pick release-26.7

[github-actions]

🤖 Backport PR created for release-26.7: #2848 ✅