[neon/qt/pyside2/Neon/unstable] /: Update upstream source from tag 'upstream/5.15.9'

[Dmitry Shachnev]

Git commit 2b4e27444c42199cd30480834adacdfb9c2b758d by Dmitry Shachnev.
Committed on 17/05/2023 at 18:12.
Pushed by carlosdem into branch 'Neon/unstable'.

Update upstream source from tag 'upstream/5.15.9'

Update to upstream version '5.15.9'
with Debian dir bde20e36d5a318a48393ab507790f8543b94362e


https://invent.kde.org/neon/qt/pyside2/-/commit/2b4e27444c42199cd30480834adacdfb9c2b758d