editors/libreoffice: update to 25.8.3 release (+)

LibreOffice 25.8.3, the third minor release of the free, volunteer-supported office suite
for personal productivity in office environments, is now available for FreeBSD users!

The new version fixes 70 issues compared to the previous release.

Announce:	https://blog.documentfoundation.org/blog/2025/11/13/announcement-of-libreoffice-25-8-3/
Release Notes:	https://wiki.documentfoundation.org/ReleaseNotes/25.8
Changelog:	https://wiki.documentfoundation.org/Releases/25.8.3/RC1 \
		https://wiki.documentfoundation.org/Releases/25.8.3/RC2