[neon-notifications] Releasing: heaptrack - 1.4.0

[Neon CI]

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

#<Debian::UScan::DEHS::Package:0x00007fc728005e78 @name="heaptrack", @debian_uversion="1.3.0", @debian_mangled_uversion="1.3.0", @upstream_version="1.4.0", @upstream_url="https://download.kde.internal.neon.kde.org/stable/heaptrack/1.4.0/heaptrack-1.4.0.tar.xz", @status="Newer version available">