[neon-notifications] Releasing: kalendar - 0.3.0

[Neon CI]

https://build.neon.kde.org/job/watcher_release_neon-packaging_kalendar/14/display/redirect

#<Debian::UScan::DEHS::Package:0x00005557038a50e8 @name="kalendar", @debian_uversion="0.2.1", @debian_mangled_uversion="0.2.1", @upstream_version="0.3.0", @upstream_url="http://download.kde.internal.neon.kde.org/stable/kalendar/kalendar-0.3.0.tar.xz", @status="Newer version available">