Set API chat/completions as low urgency
What does this MR do and why?
Set API chat/completions as low urgency because it is for internal use only and therefore not user facing.
MR acceptance checklist
Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.
Screenshots or screen recordings
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How to set up and validate locally
Related to #482498