Add GAI-LLM/Yi-Ko-6B-dpo-v4 to eval queue

GAI-LLM/Yi-Ko-6B-dpo-v4_eval_request_False_float16_Original.json

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+{"model": "GAI-LLM/Yi-Ko-6B-dpo-v4", "base_model": "GAI-LLM/Yi-Ko-6B-mixed-v11", "revision": "main", "private": false, "precision": "float16", "weight_type": "Original", "status": "PENDING", "submitted_time": "2023-12-22T00:26:06Z", "model_type": "\ud83d\udfe6 : RL-tuned"}