feat: add gpt-4o-2024-11-20 model (#905)

Author: liushuangls

completion.go

@@ -37,6 +37,7 @@ const (
 	GPT4o                 = "gpt-4o"
 	GPT4o20240513         = "gpt-4o-2024-05-13"
 	GPT4o20240806         = "gpt-4o-2024-08-06"
+	GPT4o20241120         = "gpt-4o-2024-11-20"
 	GPT4oLatest           = "chatgpt-4o-latest"
 	GPT4oMini             = "gpt-4o-mini"
 	GPT4oMini20240718     = "gpt-4o-mini-2024-07-18"
@@ -119,6 +120,7 @@ var disabledModelsForEndpoints = map[string]map[string]bool{
 		GPT4o:                true,
 		GPT4o20240513:        true,
 		GPT4o20240806:        true,
+		GPT4o20241120:        true,
 		GPT4oLatest:          true,
 		GPT4oMini:            true,
 		GPT4oMini20240718:    true,