Add cerebras/Cerebras-GPT-590M to eval queue

cerebras/Cerebras-GPT-590M_eval_request_False_float16_Original.json

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+{"model": "cerebras/Cerebras-GPT-590M", "base_model": "", "revision": "main", "private": false, "precision": "float16", "params": 0.59, "architectures": "?", "weight_type": "Original", "status": "PENDING", "submitted_time": "2024-02-11T13:37:47Z", "model_type": "\ud83d\udfe2 : pretrained", "source": "script", "job_id": -1, "job_start_time": null}