[neon/forks/sip6/Neon/release] /: Update upstream source from tag 'upstream/6.13.1'

[Dmitry Shachnev]

Git commit 3dfa6bce723b7d31614ea8aadcd20e5b48b9fbe7 by Dmitry Shachnev.
Committed on 10/10/2025 at 20:31.
Pushed by carlosdem into branch 'Neon/release'.

Update upstream source from tag 'upstream/6.13.1'

Update to upstream version '6.13.1'
with Debian dir 381be46d2ccdd875f943b74e1601addf0291f176


https://invent.kde.org/neon/forks/sip6/-/commit/3dfa6bce723b7d31614ea8aadcd20e5b48b9fbe7