Add internlm/internlm2-chat-20b to eval queue

internlm/internlm2-chat-20b_eval_request_False_bfloat16_Original.json

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+{"model": "internlm/internlm2-chat-20b", "base_model": "", "revision": "main", "private": false, "precision": "bfloat16", "weight_type": "Original", "status": "FINISHED", "submitted_time": "2024-05-09T19:24:52Z", "model_type": "instruction-tuned", "likes": 73, "params": 19.861, "license": "other"}