Move test-executorch-cuda-build to linux_job_v3

[huydhn]

Drops the driver-version / driver-download-url pins rather than porting them, because the job was mostly not using them:

12.6   minimum driver 560.28.03   R580 clears it
13.0   minimum driver 580.65.06   R580 is exactly this
13.4   asked for 615.71.09        see below

Two of the three cells were already passing 580.65.06, which is what OSDC nodes ship from the EKS NVIDIA AMI — those installs were a no-op. Only 13.4 wanted something newer, and CUDA minor version compatibility means a 13.x application runs on any driver supporting 13.0, provided it stays off newer driver APIs. So R580 is likely enough there too.

Installing a driver per job is an EC2 idea regardless: on OSDC the driver belongs to the node and a pod cannot replace it.

If 13.4 does fail, the fix is the R615 AMI in pytorch/ci-infra#1068, not this workflow. The failure would look like a test error rather than a build one — test-cuda-build.sh runs a CUDA matmul and exits 1 if the device is unavailable.

Testing

https://github.com/pytorch/executorch/actions/runs/35148091997/job/104969392177?pr=22890

[pytorch-bot]

🔗 Helpful Links

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❌ You can merge normally! (1 Unrelated Failure), 1 Unclassified Failure

As of commit cd66218 with merge base 9250dc3 ():

UNCLASSIFIED FAILURE - DrCI could not classify the following job because the workflow did not run on the merge base. The failure may be pre-existing on trunk or introduced by this PR:

• Test CUDA Builds / test-model-cuda-e2e-Qwen3.5-35B-A3B-HQQ-INT4-quantized-int4-tile-packed / linux-job (gh) (this job did not run on the merge base, so DrCI cannot tell whether the failure is pre-existing)
  RuntimeError: Command bash /__w/_temp/exec_script failed with exit code 1

BROKEN TRUNK - The following job failed but were present on the merge base:

👉 Rebase onto the `viable/strict` branch to avoid these failures

• trunk / test-samsung-models-linux / linux-job (gh) (trunk failure)
  test_mobilebert_qat_a8w8

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