add llama3.1 to hflogin required (microsoft#154)

Author: fangyangci

.aitk/configs/model_list.json

@@ -647,6 +647,7 @@
     ],
     "LoginRequiredModelIds": [
         "huggingface/meta-llama/Llama-3.2-1B-Instruct",
+        "huggingface/meta-llama/Llama-3.1-8B-Instruct",
         "huggingface/mistralai/Mistral-7B-Instruct-v0.3",
         "huggingface/mistralai/Mistral-7B-Instruct-v0.2"
     ],