[neon/qt/pyside2/Neon/unstable] /: Update upstream source from tag 'upstream/5.15.8'

[Dmitry Shachnev]

Git commit 5bd79d4b8f31c39e270c4a919de877d2d037fe4c by Dmitry Shachnev.
Committed on 04/01/2023 at 08:30.
Pushed by carlosdem into branch 'Neon/unstable'.

Update upstream source from tag 'upstream/5.15.8'

Update to upstream version '5.15.8'
with Debian dir 4740e661ebd7e7bfca686992ea12c354d9d5335e


https://invent.kde.org/neon/qt/pyside2/-/commit/5bd79d4b8f31c39e270c4a919de877d2d037fe4c