[neon/forks/sip6/Neon/release] /: Update upstream source from tag 'upstream/6.13.0'

[Dmitry Shachnev]

Git commit a827c6beb4b0c988e1e970b3df656c0b361dfafa by Dmitry Shachnev.
Committed on 07/10/2025 at 21:01.
Pushed by carlosdem into branch 'Neon/release'.

Update upstream source from tag 'upstream/6.13.0'

Update to upstream version '6.13.0'
with Debian dir e91b439079938d0b2d3919361698ee1e98a3e3cb


https://invent.kde.org/neon/forks/sip6/-/commit/a827c6beb4b0c988e1e970b3df656c0b361dfafa