docs/zh_CN: add --no-merges to git log example in how-to.rst

Add --no-merges flag to prevent referencing merge commits in the
through-commit field of translation commit messages.

Signed-off-by: Ben Guo <ben.guo@openatom.club>
Reviewed-by: Dongliang Mu <dzm91@hust.edu.cn>
Signed-off-by: Alex Shi <alexs@kernel.org>
This commit is contained in:
Ben Guo 2026-04-16 12:26:46 +08:00 • committed by Alex Shi
commit 596b66b4f5