fix(ingest/protobuf): support korean description

[wngus606]

PR Point

• For this issue, I think we can use UTF-8 because it seems to have been resolved. Is there any other problem?

• AS-IS

• TO-BE

Checklist

• [ ] The PR conforms to DataHub's Contributing Guideline (particularly Commit Message Format)
• [ ] Links to related issues (if applicable)
• [ ] Tests for the changes have been added/updated (if applicable)
• [ ] Docs related to the changes have been added/updated (if applicable). If a new feature has been added a Usage Guide has been added for the same.
• [ ] For any breaking change/potential downtime/deprecation/big changes an entry has been made in Updating DataHub

[wngus606]

PTAL @david-leifker

[wngus606]

https://github.com/datahub-project/datahub/pull/10975