Update link text from 'Solution' to '解答例' (en→jp)

[hyoshioka0128]

Describe the bug

https://github.com/microsoft/mcp-for-beginners/blob/main/translations/ja/03-GettingStarted/14-sampling/README.md

#PingMSFTDocs

Steps to reproduce

No response

Expected behavior

No response

Logs and additional context

No response

Are you willing to submit a pull request to resolve the issue?

• I am willing to submit a pull request

Code of Conduct

• I agree to follow this project's Code of Conduct