Maintenance Task Description

Since msgpack is supported in ctx.AutoFormat, CBOR should also be supported.

Impact on the Project

Improves consistency with already implemented functionality.

Additional Context (optional)

No response

Checklist:

• I have confirmed that this maintenance task is currently not being addressed.
• I understand that this task will be evaluated by the maintainers and prioritized accordingly.
• I am available to provide further information if needed.