Switch chatglm v3 to pro model

relate https://jihulab.com/gitlab-cn/gitlab/-/issues/3358

switch std model to pro model in chatglm v3

jh/lib/gitlab/llm/chat_glm/client.rb

@@ -11,7 +11,7 @@ class Client
         ENGINES_PATH = '/model/v1/open/engines'
 
         V3_HOST = 'https://open.bigmodel.cn'
-        V3_ENGINES_PATH = '/v3/model-api/chatglm_std/invoke'
+        V3_ENGINES_PATH = '/v3/model-api/chatglm_pro/invoke'
 
         AUTH_TOKEN_EXPIRATION = 30 * 1000 # millisecond
         AUTH_TOKEN_JWT_ALG = 'HS256'