[neon-notifications] krita new version 4.2.3

[Neon CI]

https://build.neon.kde.org/job/watcher_release_extras_krita/760/display/redirect

#<Debian::UScan::DEHS::Package:0x000055a724b9c398 @name="krita", @debian_uversion="4.2.2", @debian_mangled_uversion="4.2.2", @upstream_version="4.2.3", @upstream_url="http://download.kde.internal.neon.kde.org/stable/krita/4.2.3/krita-4.2.3.tar.gz", @status="Newer version available">