chore(workflow): update bench-pr.yaml

[Timeless0911]

Summary

🤖[deprecated] Generated by Copilot at b568109

Refactor the code in .github/workflows/bench-pr.yaml to use a variable and a standard method for handling the comment body of the pull request event. This improves readability, consistency, and compatibility.

Details

🤖[deprecated] Generated by Copilot at b568109

• Refactor code to use a variable commentBody and the startsWith method (link)

Related Issue

Checklist

• I have added changeset via pnpm run change.
• I have updated the documentation.
• I have added tests to cover my changes.

[changeset-bot]

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Latest commit: 332412b

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