merge with main git using update_weblate_git.py.

wiki/src/news/celebrating_10_years.ar.po: updating as wiki/src/news/celebrating_10_years.de.po has changed.
wiki/src/news/celebrating_10_years.ca.po: updating as wiki/src/news/celebrating_10_years.de.po has changed.
wiki/src/news/celebrating_10_years.id.po: updating as wiki/src/news/celebrating_10_years.de.po has changed.
wiki/src/news/celebrating_10_years.pl.po: updating as wiki/src/news/celebrating_10_years.de.po has changed.
wiki/src/news/celebrating_10_years.ru.po: updating as wiki/src/news/celebrating_10_years.de.po has changed.
wiki/src/news/celebrating_10_years.sr_Latn.po: updating as wiki/src/news/celebrating_10_years.de.po has changed.
wiki/src/news/celebrating_10_years.tr.po: updating as wiki/src/news/celebrating_10_years.de.po has changed.
wiki/src/news/celebrating_10_years.zh.po: updating as wiki/src/news/celebrating_10_years.de.po has changed.
wiki/src/news/celebrating_10_years.zh_TW.po: updating as wiki/src/news/celebrating_10_years.de.po has changed.