[neon-notifications] Releasing: marknote - 1.6.0

[Neon CI]

https://build.neon.kde.org/job/watcher_release_neon-packaging_marknote/587/display/redirect

#<Debian::UScan::DEHS::Package:0x0000789f6bd8bfc0 @name="marknote", @debian_uversion="1.5.2", @debian_mangled_uversion="1.5.2", @upstream_version="1.6.0", @upstream_url="https://download.kde.internal.neon.kde.org/stable/marknote/marknote-1.6.0.tar.xz", @status="Newer version available">