[neon-notifications] Dev Required: hotspot - 1.6.0

[Neon CI]

https://build.neon.kde.org/job/watcher_release_neon-packaging_hotspot/578/display/redirect

#<Debian::UScan::DEHS::Package:0x000070a27aa4ded0 @name="hotspot", @debian_uversion="1.5.1", @debian_mangled_uversion="1.5.1", @upstream_version="1.6.0", @upstream_url="https://github.com/KDAB/hotspot/releases/download/v1.6.0/hotspot-v1.6.0.tar.gz", @status="Newer version available">