Build: update rbg helm chart 0.5.0

[cheyang]

Ⅰ. Motivation

Ⅱ. Modifications

Ⅲ. Does this pull request fix one issue?

fixes #XXXX

Ⅳ. List the added test cases (unit test/integration test) if any, please explain if no tests are needed.

Ⅴ. Describe how to verify it

VI. Special notes for reviews

Checklist

• [ ] Format your code make fmt.
• [ ] Add unit tests or integration tests.
• [ ] Update the documentation related to the change.

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[codecov-commenter]

Codecov Report

:white_check_mark: All modified and coverable lines are covered by tests.

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