upgrade gemin model

Author: q2w

examples/data_warehouse/main.tf

@@ -19,7 +19,7 @@ module "data_warehouse" {
   version = "~> 9.0"
 
   project_id          = var.project_id
-  region              = "asia-southeast1"
+  region              = "us-central1"
   deletion_protection = false
   force_destroy       = true
 }

modules/data_warehouse/src/sql/sp_bigqueryml_generate_create.sql

@@ -14,4 +14,4 @@
 
 CREATE OR REPLACE MODEL `${project_id}.${dataset_id}.${model_name}`
 REMOTE WITH CONNECTION `${connection_id}`
-OPTIONS (ENDPOINT = 'gemini-1.5-flash');
+OPTIONS (ENDPOINT = 'gemini-2.5-flash');