From 276fd1ca4531b7206ccbd13c0930b4b88d63e1be Mon Sep 17 00:00:00 2001
From: xfy911 <defect.y@qq.com>
Date: Tue, 16 Jun 2026 10:41:30 +0800
Subject: [PATCH] chore: update coco submodule to latest (f068b64)
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更新内容包括：
- 热栈（hot stack）与共享栈设计
- 自适应负载均衡
- 抢占式调度安全守卫（ENSURE_IN_CORO）
- channel 原子关闭字段
- CI 工作流与基准回归脚本

编译验证通过，单元测试正常。
---
 coco | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/coco b/coco
index 8b42e98..f068b64 160000
--- a/coco
+++ b/coco
@@ -1 +1 @@
-Subproject commit 8b42e984efd55f5c18fdf2d249d1aba0ca4e70eb
+Subproject commit f068b6498a28af9882a6e8889c3c361cbc498b5e