迁移：将DB变更记录SQL文件移动到sql目录下

sql/迁移记录-DB变更记录/20250902前变更记录/202508261536 adm_patient.sql

@@ -0,0 +1,7 @@
+	ALTER TABLE adm_patient ADD deceased_reason varchar(255) DEFAULT NULL;
+	COMMENT ON COLUMN adm_patient.deceased_reason IS '死亡原因';
+
+
+-- 向迁移历史表插入记录
+INSERT INTO __MigrationsHistory (MigrationId, ProductVersion)
+VALUES ('202508261129 adm_encounter', '1.0.0');