feat: add minimax-m2.5 model support (#752)

Add the new minimax-m2.5 model to both minimax and minimax-cn providers.

Author: jhao0413

src/provider/providers/minimax-cn.ts

@@ -10,6 +10,7 @@ export const minimaxCnProvider: Provider = {
   models: {
     'minimax-m2': {},
     'minimax-m2.1': {},
+    'minimax-m2.5': {},
   },
   apiFormat: ApiFormat.Anthropic,
 };

src/provider/providers/minimax.ts

@@ -10,6 +10,7 @@ export const minimaxProvider: Provider = {
   models: {
     'minimax-m2': {},
     'minimax-m2.1': {},
+    'minimax-m2.5': {},
   },
   apiFormat: ApiFormat.Anthropic,
 };