Move CUDA CI coverage to 13.0

[JacobSzwejbka]

Summary:

• reduce CUDA build matrix coverage to 12.6 and 13.0
• move single-version CUDA CI jobs from 12.6/12.8 to 13.0
• update the Windows CUDA cross-compile image to install CUDA 13.0.2

Authored with Claude.

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/19683

• 📄 Preview Python docs built from this PR

Note: Links to docs will display an error until the docs builds have been completed.

❌ 7 New Failures, 1 Pending, 7 Unrelated Failures, 2 Unclassified Failures

As of commit 4274d33 with merge base 7724fd7 ():

NEW FAILURES - The following jobs have failed:

• Test CUDA Builds / export-model-cuda-artifact (nvidia, diar_streaming_sortformer_4spk-v2, non-quantized) / linux-job (gh)
  RuntimeError: Command docker exec -t 0cd10841883bcc04716fc6119cb92a1bdffa2c2187379e4f39092a1e39d5f7a7 /exec failed with exit code 1
• Test CUDA Windows Export and E2E / export-model-cuda-windows-artifact (facebook, dinov2-small-imagenet1k-1-layer, non-quantized) / linux-job (gh)
  undefined reference to __GSHandlerCheck'`
• Test CUDA Windows Export and E2E / export-model-cuda-windows-artifact (mistralai, Voxtral-Mini-3B-2507, non-quantized) / linux-job (gh)
  undefined reference to __GSHandlerCheck'`
• Test CUDA Windows Export and E2E / export-model-cuda-windows-artifact (mistralai, Voxtral-Mini-3B-2507, quantized-int4-weight-only) / linux-job (gh)
  undefined reference to __GSHandlerCheck'`
• Test CUDA Windows Export and E2E / export-model-cuda-windows-artifact (mistralai, Voxtral-Mini-4B-Realtime-2602, quantized-int4-tile... / linux-job (gh)
  undefined reference to __GSHandlerCheck'`
• Test CUDA Windows Export and E2E / export-model-cuda-windows-artifact (nvidia, parakeet-tdt, non-quantized) / linux-job (gh)
  undefined reference to __GSHandlerCheck'`
• Test CUDA Windows Export and E2E / export-model-cuda-windows-artifact (nvidia, parakeet-tdt, quantized-int4-weight-only) / linux-job (gh)
  undefined reference to __GSHandlerCheck'`

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

• Build Windows Wheels / pytorch/executorch / upload / upload-wheel-py3_10-cpu (gh) (this job did not run on the merge base, so DrCI cannot tell whether the failure is pre-existing)
  Unable to download artifact(s): Failed to ListArtifacts: Received non-retryable error: Failed request: (403) Forbidden: Error from intermediary with HTTP status code 403 "Forbidden"
• Check Labels / Check labels (gh) (this job did not run on the merge base, so DrCI cannot tell whether the failure is pre-existing)
  RuntimeError: GraphQL query

FLAKY - The following jobs failed but were likely due to flakiness present on trunk:

• Test CUDA Builds / export-model-cuda-artifact (SocialLocalMobile, Qwen3.5-35B-A3B-HQQ-INT4, quantized-int4-tile-packed) / linux-job (gh) (similar failure)
• trunk / test-models-windows (mv3, xnnpack-q8) / windows-job (gh) (detected as infra flaky with no log or failing log classifier)

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

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

• pull / unittest / macos / macos-job (gh) (trunk failure)
  ##[error]The operation was canceled.
• pull / unittest-editable / macos / macos-job (gh) (trunk failure)
  ##[error]The operation was canceled.
• Test CUDA Builds / export-model-cuda-artifact (SocialLocalMobile, gemma-4-31B-it-HQQ-INT4, quantized-int4-tile-packed) / linux-job (gh) (trunk failure)
• Test CUDA Builds / unittest-cuda / linux-job (gh) (trunk failure)
  examples/models/qwen3_5_moe/test_turboquant.py::TestTurboQuant::test_eager_decode_quality
• trunk / unittest-release / macos / macos-job (gh) (trunk failure)
  ##[error]The operation was canceled.

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