[neon-notifications] Dev Required: pyside2 - 5.15.19

[Neon CI]

https://build.neon.kde.org/job/watcher_release_qt_pyside2/573/display/redirect

#<Debian::UScan::DEHS::Package:0x000072a318329be0 @name="pyside2", @debian_uversion="5.15.17", @debian_mangled_uversion="5.15.17", @upstream_version="5.15.19", @upstream_url="https://download.qt.io/official_releases/QtForPython/pyside2/PySide2-5.15.19-src/pyside-setup-opensource-src-5.15.19.tar.xz", @status="Newer version available">