update the gema model

utils.py

@@ -10,7 +10,7 @@ if ENVIRONMENT == "dev":
     AI_MODELS = {
         "Huggingface / Mistral Nemo Instruct": "mistralai/Mistral-Nemo-Instruct-2407",
         "Huggingface / Microsoft Phi 3.5 Mini Instruct": "microsoft/Phi-3.5-mini-instruct",
-        "Huggingface / Google Gemma 3 4B Instruct": "google/gemma-3-4b-it",
+        "Huggingface / Google Gemma 2 9B Instruct": "google/gemma-2-9b-it",
         "Huggingface / Meta Llama 3.1 8B Instruct": "meta-llama/Llama-3.1-8B-Instruct",
         "IBM Granite3.1 dense / Ollama local": "ollama",
         "Open AI / GPT-4o-mini": "openai",    
@@ -19,7 +19,7 @@ else:
     AI_MODELS = {
         "Huggingface / Mistral Nemo Instruct": "mistralai/Mistral-Nemo-Instruct-2407",
         "Huggingface / Microsoft Phi 3.5 Mini Instruct": "microsoft/Phi-3.5-mini-instruct",
-        "Huggingface / Google Gemma 3 4B Instruct": "google/gemma-3-4b-it",
+        "Huggingface / Google Gemma 2 9B Instruct": "google/gemma-2-9b-it",
         "Huggingface / Meta Llama 3.1 8B Instruct": "meta-llama/Llama-3.1-8B-Instruct",
         "Open AI / GPT-4o-mini": "openai",    
     }