[feature][bugfix] Update Job Metrics And Add Banner And Fix Kafka Vulnerability Version

[XiaoJiang521]

…fka loophole 5. add README_CN.md

Purpose of this pull request

Check list

• Code changed are covered with tests, or it does not need tests for reason:
• If any new Jar binary package adding in your PR, please add License Notice according
  New License Guide
• If necessary, please update the documentation to describe the new feature. https://github.com/apache/seatunnel/tree/dev/docs

1. add kingbase 2. job metrics update 3. add banner 4. kafka loophole 5. add README_CN.md