Update run-readme-pr-mps.yml for typo

[mikekgfb]

fix typo as separate PR, as per @malfet

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/torchchat/1460

• 📄 Preview Python docs built from this PR

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

❌ 1 New Failure, 2 Unrelated Failures

As of commit 1b15dbc with merge base 07768cf ():

NEW FAILURE - The following job has failed:

• pull / test-build-runner-et-android / linux-job (gh)
  RuntimeError: Command docker exec -t 1eead21ab763107d363127afdeeefaab19bdf0fe28f6a57630fa360dad8711f6 /exec failed with exit code 1

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

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

• pull / test-tinystories-executorch (16-core-ubuntu) (gh) (trunk failure)
  ##[error]The operation was canceled.
• pull / test-tinystories-executorch (macos-14-xlarge) (gh) (trunk failure)
  RuntimeError: Failed to load ET compiled /Users/runner/work/torchchat/torchchat/stories15M.pte

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[Jack-Khuu]

PR is good, I'm working on the CI fix: #1459