[neon-notifications] Releasing: kronometer - 2.3.0

[Neon CI]

https://build.neon.kde.org/job/watcher_release_extras_kronometer/393/display/redirect

#<Debian::UScan::DEHS::Package:0x0000557e1f99b608 @name="kronometer", @debian_uversion="2.2.3", @debian_mangled_uversion="2.2.3", @upstream_version="2.3.0", @upstream_url="https://download.kde.internal.neon.kde.org/stable/kronometer/2.3.0/src/kronometer-2.3.0.tar.xz", @status="Newer version available">