feat(friendli): add GLM-5.1 and remove deprecated models

Author: minpeter

providers/friendli/models/MiniMaxAI/MiniMax-M2.1.toml

@@ -1,20 +1,24 @@
-name = "GLM 4.7"
+name = "GLM 5.1"
 family = "glm"
 attachment = false
 reasoning = true
 tool_call = true
 structured_output = true
 temperature = true
-release_date = "2025-12-22"
-last_updated = "2026-01-29"
+release_date = "2026-04-07"
+last_updated = "2026-04-07"
 open_weights = true
 
 [interleaved]
 field = "reasoning_content"
 
+[cost]
+input = 1.4
+output = 4.4
+
 [limit]
-context = 202752
-output = 202752
+context = 202_752
+output = 202_752
 
 [modalities]
 input = ["text"]