Update changelog for main

[github-actions]

This PR updates the changelog with the latest changes.

Summary by Sourcery

文档：

• 更新变更日志以包含最近的错误修复。

Original summary in English

Summary by Sourcery

Documentation:

• Update changelog to include recent bug fixes.

[sourcery-ai]

我们已跳过对此拉取请求的审查。它似乎是由一个机器人创建的（嘿，github-actions[bot]！）。我们假设它知道自己在做什么！

Original comment in English

We have skipped reviewing this pull request. It seems to have been created by a bot (hey, github-actions[bot]!). We assume it knows what it's doing!

[sourcery-ai]

审核者指南 by Sourcery

此 PR 通过为统计可计数泄漏问题添加新的错误修复条目来更新变更日志。

未生成图表，因为更改看起来简单且不需要视觉表示。

文件级更改

更改	详情	文件
向变更日志添加了新的错误修复条目	添加了修复统计可计数泄漏的条目 (PR fix: stats countable leak deepflowio/deepflow#8719) 保持现有的变更日志格式和结构	CHANGELOG.md

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Original review guide in English

Reviewer's Guide by Sourcery

This PR updates the changelog by adding a new bug fix entry for a stats countable leak issue.

No diagrams generated as the changes look simple and do not need a visual representation.

File-Level Changes

Change	Details	Files
Added a new bug fix entry to the changelog	Added an entry for fixing stats countable leak (PR fix: stats countable leak deepflowio/deepflow#8719) Maintained existing changelog format and structure	CHANGELOG.md

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