merge with main git using merge_canonical_changes.py.

wiki/src/news/version_5.5.ar.po: updating as wiki/src/news/version_5.5.de.po has changed.
wiki/src/news/version_5.5.ca.po: updating as wiki/src/news/version_5.5.de.po has changed.
wiki/src/news/version_5.5.fa.po: updating as wiki/src/news/version_5.5.de.po has changed.
wiki/src/news/version_5.5.id.po: updating as wiki/src/news/version_5.5.de.po has changed.
wiki/src/news/version_5.5.pl.po: updating as wiki/src/news/version_5.5.de.po has changed.
wiki/src/news/version_5.5.sr_Latn.po: updating as wiki/src/news/version_5.5.de.po has changed.
wiki/src/news/version_5.5.tr.po: updating as wiki/src/news/version_5.5.de.po has changed.
wiki/src/news/version_5.5.zh.po: updating as wiki/src/news/version_5.5.de.po has changed.
wiki/src/news/version_5.5.zh_TW.po: updating as wiki/src/news/version_5.5.de.po has changed.