[neon-notifications] Dev Required: kddockwidgets - 2.2.0

[Neon CI]

https://build.neon.kde.org/job/watcher_release_neon-packaging_kddockwidgets/129/display/redirect

#<Debian::UScan::DEHS::Package:0x00007726f72f8ab0 @name="kddockwidgets", @debian_uversion="2.1.0", @debian_mangled_uversion="2.1.0", @upstream_version="2.2.0", @upstream_url="https://github.com/KDAB/KDDockWidgets/archive/refs/tags/v2.2.0.tar.gz", @status="Newer version available">