feat(pingcap/tidb): intergration support feature branch and ci params in PR title

[purelind]

you can append suffix in pr title to set pd and tikv branch:

"| tikv=feature/xxx pd=master"

default to use master branch bulid binary if not specify in pr title.

Ref #3041

[ti-chi-bot]

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

The pull request adds support for setting PD and TiKV branches via a suffix in the PR title. The default behavior is to use the master branch if no branch is specified in the PR title. The changes seem reasonable, and there are no apparent problems.

However, it would be helpful to provide more information on how the code has been tested and any potential edge cases that have been considered. Also, it would be good to ensure that the code is backward compatible and doesn't break any existing functionality.

One suggestion for improvement is to add more error handling if the specified branch is not found in the repository. Additionally, adding some documentation on how to use this feature would be helpful for users.

Overall, this pull request seems good. The changes are straightforward, and the code appears to be well-written. So, it can be merged after addressing the above suggestions.

[purelind]

test link https://do.pingcap.net/jenkins/blue/organizations/jenkins/pingcap%2Ftidb%2Fpull_integration_ddl_test/detail/pull_integration_ddl_test/13943/pipeline

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: wuhuizuo

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