Add support of new Rerank 3 from Cohere

[richards199999]

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1. Is this request related to a challenge you're experiencing?

Please add the support of this new rerank model. It perform better in RAG tasks comparing to the last version (Rerank 2).

Here is the official link: https://txt.cohere.com/rerank-3/

2. Describe the feature you'd like to see

Just add the support of the new rerank model.🤗

3. How will this feature improve your workflow or experience?

Make RAG experience even better.

4. Additional context or comments

No response

5. Can you help us with this feature?

• [ ] I am interested in contributing to this feature.