[neon/qt/pyside2/Neon/release] /: Update upstream source from tag 'upstream/5.15.2'

[Dmitry Shachnev]

Git commit 3f330834cc2ab7206181bfa3113ccdd87157c6ec by Dmitry Shachnev.
Committed on 15/12/2020 at 17:20.
Pushed by jriddell into branch 'Neon/release'.

Update upstream source from tag 'upstream/5.15.2'

Update to upstream version '5.15.2'
with Debian dir 6851c733c518bac434126e8ccafcf5fe5735f700


https://invent.kde.org/neon/qt/pyside2/commit/3f330834cc2ab7206181bfa3113ccdd87157c6ec