[Doc][Improve] support chinese [docs/zh/connector-v2/source/Cloudberry.md]

[jia17]

Purpose of this pull request

Does this PR introduce any user-facing change?

How was this patch tested?

Check list

• 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
• If you are contributing the connector code, please check that the following files are updated:
  1. Update plugin-mapping.properties and add new connector information in it
  2. Update the pom file of seatunnel-dist
  3. Add ci label in label-scope-conf
  4. Add e2e testcase in seatunnel-e2e
  5. Update connector plugin_config
• Update the release-note.

[Copilot]

Pull Request Overview

This PR introduces Chinese documentation for the Cloudberry connector, including detailed usage examples and configuration instructions.

• Added new Chinese documentation for Cloudberry in docs/zh/connector-v2/source/Cloudberry.md
• Updated the change log for the Apache Cloudberry connector in docs/zh/connector-v2/changelog/connector-cloudberry.md

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
docs/zh/connector-v2/source/Cloudberry.md	New connector documentation with usage instructions and configuration examples
docs/zh/connector-v2/changelog/connector-cloudberry.md	Added change log entry for the Cloudberry connector feature

Comments suppressed due to low confidence (1)

docs/zh/connector-v2/source/Cloudberry.md:5

• Typo in 'Cludberry': please correct it to 'Cloudberry' to maintain consistency with the connector naming.

> JDBC Cludberry源连接器

[Hisoka-X]

Suggested change

	> 1. 您需要确保[jdbc驱动程序jar包](https://mvnrepository.com/artifact/com.ibm.db2.jcc/db2jcc)已放置在目录`${SEATUNNEL_HOME}/plugins/`中。
	> 1. 您需要确保[jdbc驱动程序jar包](https://mvnrepository.com/artifact/org.postgresql/postgresql)已放置在目录`${SEATUNNEL_HOME}/plugins/`中。

[Hisoka-X]

Suggested change

	> 1. 您需要确保[jdbc驱动程序jar包](https://mvnrepository.com/artifact/com.ibm.db2.jcc/db2jcc)已放置在目录`${SEATUNNEL_HOME}/lib/`中。
	> 1. 您需要确保[jdbc驱动程序jar包](https://mvnrepository.com/artifact/org.postgresql/postgresql)已放置在目录`${SEATUNNEL_HOME}/lib/`中。