### What problem does this PR solve?
Problem Summary:
Oceanbase container sometimes start failed.
<img width="653" alt="image"
src="https://github.com/user-attachments/assets/d95c66cf-7e04-4179-a565-9b9dd8b87128"
/>
We do two things:
1. Print last 100 lines docker logs of unhealthy container for debugging
2. Upgrade Oceanbase docker image to the newest `4.2.1-lts`, since it is
7 months newer than `4.2.1`, more stable
