docs/zh_CN: Update the translation of testing-overview to 6.1-rc8

Update to commit a32d5c0f ("Documentation: dev-tools:
Enhance static analysis section with discussion")

Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Wu XiangCheng <bobwxc@email.cn>
Link: https://lore.kernel.org/r/f3ae5e63502fed7e904f5a801168d2324c71f014.1670642548.git.siyanteng@loongson.cn


Signed-off-by: Jonathan Corbet <corbet@lwn.net>