Summary: Setup guardrails for RPi tutorial scripts by adding them to CI

[psiddh]

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Summary

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[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/15456

• 📄 Preview Python docs built from this PR

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❌ 1 New Failure, 2 Unrelated Failures

As of commit 20e9b5d with merge base c85ece4 ():

NEW FAILURE - The following job has failed:

• trunk / test-qnn-model (fp32, vit) / linux-job (gh)
  RuntimeError: Command docker exec -t a02b66b83018bebbb5461195bedcd1905e7fe2e15f016a1071bbed78a63c39ef /exec failed with exit code 92

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

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

• trunk / unittest-release / linux / linux-job (gh) (trunk failure)
  [ FAILED ] WavLoaderTest.LoadAudioDataRejectsUnsupportedFormat
• trunk / unittest-release / macos / macos-job (gh) (trunk failure)
  [ FAILED ] WavLoaderTest.LoadAudioDataRejectsUnsupportedFormat

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[psiddh]

https://github.com/pytorch/executorch/actions/runs/18976181621/job/54196324104?pr=15456 (the newly added CI job: test-rpi-scripts is successful)