Add gpt2 to eval queue

gpt2_eval_request_False_bfloat16_Original.json

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+{"model": "gpt2", "base_model": null, "revision": "607a30d783dfa663caf39e06633721c8d4cfcd7e", "precision": "bfloat16", "params": 0.137, "architectures": "GPT2LMHeadModel", "weight_type": "Original", "status": "PENDING", "submitted_time": "2024-06-08T13:42:15Z", "model_type": "gpt2", "job_id": -1, "job_start_time": null, "use_chat_template": false}