Let AI agent run the tool automatically for a bug

[coiby]

As suggested by @wmealing, given a regression bug, we can let AI generate a reproducer based on bug description and then run the tool automatically to find out the 1st bad commit.

[github-actions]

🤖 Hi @coiby, I've received your request, and I'm working on it now! You can track my progress in the logs for more details.