[neon-notifications] Releasing: arca - 0.5.3

[Neon CI]

https://build.neon.kde.org/job/watcher_release_neon-packaging_arca/262/display/redirect

#<Debian::UScan::DEHS::Package:0x000055b225a69ff0 @name="arca", @debian_uversion="0.5.2", @debian_mangled_uversion="0.5.2", @upstream_version="0.5.3", @upstream_url="http://download.kde.internal.neon.kde.org/stable/maui/arca/0.5.3/arca-0.5.3.tar.xz", @status="Newer version available">