[neon/forks/pyqt6-charts/Neon/release] /: Update upstream source from tag 'upstream/6.9.0+dfsg'

[Stephen Kitt]

Git commit 4bd59206bd0bf13a9464edc6d7619b76ee1a0005 by Stephen Kitt.
Committed on 09/04/2025 at 11:23.
Pushed by carlosdem into branch 'Neon/release'.

Update upstream source from tag 'upstream/6.9.0+dfsg'

Update to upstream version '6.9.0+dfsg'
with Debian dir 1b3a84ceecec86a4e71f45438827225653441bc6


https://invent.kde.org/neon/forks/pyqt6-charts/-/commit/4bd59206bd0bf13a9464edc6d7619b76ee1a0005