Update Dockerfile

[abcd19886]

Purpose

Test Plan

Test Result

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Essential Elements of an Effective PR Description Checklist

• The purpose of the PR, such as "Fix some issue (link existing issues this PR will resolve)".
• The test plan, such as providing test command.
• The test results, such as pasting the results comparison before and after, or e2e results
• (Optional) The necessary documentation update, such as updating supported_models.md and examples for a new model.

[github-actions]

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[yangzhuxinyzx]

本轮审计：继续保持 open，当前不能直接合并。Dockerfile 在构建中用 sed 注释 _C_stable_libtorch 扩展，并对整个源码树批量删除 --py-limited-api=cp38；这不是一个经过验证的缺失源码修复，会改变交付扩展/ABI 契约。请定位真实缺失文件或构建条件，在 CMake/打包配置中做有明确范围的修复，并提供构建后原生扩展导入/关键算子可用性的针对性验证。不能把 wheel 构建成功等同于功能完整。

OpenAI Codex 辅助审计；未关闭 PR。