fix: correct typo in retry_delay_ms configuration

[laughedelic]

I think this is just a typo or a copy-paste bug.

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Before the change?

• read_delay_ms is read into retryDelay instead of the corresponding rerty_delay_ms.

After the change?

• retryDelay is set to the rerty_delay_ms argument

Pull request checklist

• Schema migrations have been created if needed (example)
• Tests for the changes have been added (for bug fixes / features)
• Docs have been reviewed and added / updated if needed (for bug fixes / features)

Does this introduce a breaking change?

• No

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[github-actions]

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