[Bug]: github-action bot have a error

[lengrongfu]

Your current environment

When I submit a PR and write some comments, they will be cleared by github-action bot after submission. I don’t know if other people have encountered similar problems.

🐛 Describe the bug

nothing

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[hmellor]

This happened because you placed the body of your PR under BEFORE SUMBITTING...

vllm/.github/scripts/cleanup_pr_body.sh

Lines 24 to 25 in 5a1e1c8

	# Remove all lines after and including "**BEFORE SUBMITTING, PLEASE READ THE CHECKLIST BELOW AND FILL IN THE DESCRIPTION ABOVE**"
	sed -i '/\*\*BEFORE SUBMITTING, PLEASE READ.*\*\*/,$d' "${NEW}"

[hmellor]

#16276 adds a warning about this