feat(pd): display pr info on pipeline run

[purelind]

display pr info on pipeline run

[ti-chi-bot]

I have already done a preliminary review for you, and I hope to help you do a better job.

Based on the PR title and description, it seems that this change is adding functionality to display PR information on pipeline run. Looking at the diff, it seems that the change is adding a script to set the PR description to the prow object which is used to display PR information on pipeline run.

As for potential problems, the diff seems to be adding the same script to multiple files. This could lead to maintenance problems in the future if changes are needed to this script. It may be better to extract this script into a shared function that is called in each file.

For fixing suggestions, I recommend creating a shared function to set the PR description and calling that function in each file instead of duplicating the same script. This would make maintenance easier in the future if changes are needed. Additionally, it may be worth adding some comments to the code to explain what this functionality is doing and how it works.

[purelind]

test link https://do.pingcap.net/jenkins/blue/organizations/jenkins/tikv%2Fpd%2Fghpr_build/detail/ghpr_build/2801/pipeline/

[ti-chi-bot]

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