[neon-notifications] libktorrent new version 2.2.0

[Neon CI]

https://build.neon.kde.org/job/watcher_release_extras_libktorrent/1000/display/redirect

#<Debian::UScan::DEHS::Package:0x0000559b2ff96170 @name="libktorrent", @debian_uversion="2.1.1", @debian_mangled_uversion="2.1.1", @upstream_version="2.2.0", @upstream_url="http://download.kde.internal.neon.kde.org/stable/ktorrent/5.2.0/libktorrent-2.2.0.tar.xz", @status="Newer version available">