Groq: Groq changelog docs materially updated

curl "https://api.groq.com/openai/v1/chat/completions" \ -X POST \ -H "Content-Type: application/json" \ -H "Authorization: Bearer ${GROQ_API_KEY} " \ -d '{ "messages": [ { "role": "user", "content": "why is fast inference crucial for ai apps?" } ], "model": "meta-llama/llama-4-maverick-17b-128e-instruct", }'