Merge pull request #874 from HynoR/feat/gemini2

Chore: Sync Cohere Latest Model

relay/channel/cohere/constant.go

@@ -1,6 +1,7 @@
 package cohere
 
 var ModelList = []string{
+	"command-a-03-2025",
 	"command-r", "command-r-plus",
 	"command-r-08-2024", "command-r-plus-08-2024",
 	"c4ai-aya-23-35b", "c4ai-aya-23-8b",