feat(helm): add redis to auth values

[BlairCurrey]

Changes proposed in this pull request

• update helm chart values to include redis in auth

Context

Should not merge until https://github.com/interledger/helm-charts/pull/39 is merged. Which is waiting on https://github.com/interledger/rafiki/pull/2693

Checklist

• [ ] Related issues linked using fixes #number
• [ ] Tests added/updated
• [ ] Documentation added
• [ ] Make sure that all checks pass
• [ ] Bruno collection updated

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