feat(pingcap/tiflow,pingcap/pd): support feature branch

[wuhuizuo]

Signed-off-by: wuhuizuo wuhuizuo@126.com

[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 title and description of the pull request, the key change seems to be adding support for feature branches in the presubmit jobs for the PingCAP TiDB, TiFlash, and TiFlow repositories. The diff shows that the latest-presubmits.yaml files for these repositories are being updated to include ^feature/.+ as a valid branch for the presubmit jobs.

There don't seem to be any potential problems with this change as it is only adding support for a new branch pattern and does not affect the existing jobs.

As for fixing suggestions, it would be good to ensure that the new branch pattern is thoroughly tested before merging the pull request. Additionally, it may be helpful to add some documentation or comments in the latest-presubmits.yaml files to explain the new branch pattern and its purpose.

[ti-chi-bot]

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