[neon-notifications] krita new version 4.2.4

[Neon CI]

https://build.neon.kde.org/job/watcher_release_extras_krita/778/display/redirect

#<Debian::UScan::DEHS::Package:0x000055fd84ac9608 @name="krita", @debian_uversion="4.2.3", @debian_mangled_uversion="4.2.3", @upstream_version="4.2.4", @upstream_url="http://download.kde.internal.neon.kde.org/stable/krita/4.2.4/krita-4.2.4.tar.gz", @status="Newer version available">