docs/zh_CN/rust: Update the translation of general-information to 6.9-rc4

Update to commit ba4abeb1 ("docs: rust: Move testing to a
separate page")
commit be412baf ("docs: rust: Add rusttest info")
commit bd9e54a4 ("docs: rust: update Rust docs output path")
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Dongliang Mu <dzm91@hust.edu.cn>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/09fc6c2e0553fb5fae9c91146e1bceb149b6cf71.1714113680.git.siyanteng@loongson.cn

Documentation/translations/zh_CN/rust/general-information.rst

@@ -32,7 +32,7 @@ Rust内核代码使用其内置的文档生成器 ``rustdoc`` 进行记录。
 
 要在你的网络浏览器中本地阅读该文档，请运行如::
 
-	xdg-open rust/doc/kernel/index.html
+	xdg-open Documentation/output/rust/rustdoc/kernel/index.html
 
 要了解如何编写文档，请看 coding-guidelines.rst 。