[gnome-multi-writer] (2 commits) Non-fast-forward update to branch wip/piotrdrag/update-copyright

[Piotr Drąg <piotrdrag src gnome org>]

The branch 'wip/piotrdrag/update-copyright' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  315b8b8... main: Update copyright year in the about dialog

Commits added to the branch:

  0a4eecf... Add Chinese (China) translation (*)
  a03088a... main: Update copyright year in the about dialog

(*) This commit already existed in another branch; no separate mail sent