fix: add the missing abab6.5t-chat model of Minimax (#11484)

api/core/model_runtime/model_providers/minimax/llm/llm.py

@@ -35,6 +35,7 @@ from core.model_runtime.model_providers.minimax.llm.types import MinimaxMessage
 class MinimaxLargeLanguageModel(LargeLanguageModel):
     model_apis = {
         "abab7-chat-preview": MinimaxChatCompletionPro,
+        "abab6.5t-chat": MinimaxChatCompletionPro,
         "abab6.5s-chat": MinimaxChatCompletionPro,
         "abab6.5-chat": MinimaxChatCompletionPro,
         "abab6-chat": MinimaxChatCompletionPro,