fix: hide driver manager password in logs

cups-driver-manager/driver_manager.py

@@ -1121,7 +1121,7 @@ def main():
     print(f"CUPS 驱动管理器启动中...")
     print(f"访问地址: http://localhost:{args.port}/")
     print(f"用户名: {ADMIN_USERNAME}")
-    print(f"密码: {ADMIN_PASSWORD}")
+    print("密码: 已设置（不会写入服务日志）")
     print("-" * 40)
 
     app.run(host=args.host, port=args.port, debug=False)