l10n: zh_CN: updated translation for 2.48

[dyrone]

Thanks for taking the time to contribute to Git! Please be advised that the
Git community does not use github.com for their contributions. Instead, we use
a mailing list ([email protected]) for code submissions, code reviews, and
bug reports. Nevertheless, you can use GitGitGadget (https://gitgitgadget.github.io/)
to conveniently send your Pull Requests commits to our mailing list.

For a single-commit pull request, please leave the pull request description
empty: your commit message itself should describe your changes.

Please read the "guidelines for contributing" linked above!

[github-actions]

Errors and warnings found by git-po-helper in workflow #856:

------------------------------------------------------------------------------
ERROR [po/zh_CN.po@6733f99]	/tmp/171683936--zh_CN.po:17478: format specifications in 'msgid' and 'msgstr' for argument 1 are not the same 
ERROR [po/zh_CN.po@6733f99]	/usr/bin/msgfmt: found 1 fatal error 
ERROR [po/zh_CN.po@6733f99]	5804 translated messages. 
ERROR [po/zh_CN.po@6733f99]	fail to check po: exit status 1 
INFO checking commits: 0 passed, 1 failed.        
------------------------------------------------------------------------------
INFO downloading pot file from https://github.com/git-l10n/pot-changes/raw/pot/master/po/git.pot 

ERROR: fail to execute "git-po-helper check-commits"