feat(mistral): adapter registration regex for mistral

Author: massi-ang

lib/model-interfaces/langchain/functions/request-handler/adapters/bedrock/llama2_chat.py

@@ -61,4 +61,7 @@ def get_condense_question_prompt(self):
 
 
 # Register the adapter
-registry.register(r"(?i)^bedrock.meta.llama2-.*-chat.*", BedrockMetaLLama2ChatAdapter)
+registry.register(
+    r"(^bedrock.meta.llama2-.*-chat.*|^bedrock.mistral.mi.*)",
+    BedrockMetaLLama2ChatAdapter,
+)