[neon-notifications] Dev Required: gammaray - 3.4.0

[Neon CI]

https://build.neon.kde.org/job/watcher_release_extras_gammaray/503/display/redirect

#<Debian::UScan::DEHS::Package:0x00007aa844996bc0 @name="gammaray", @debian_uversion="3.3.1", @debian_mangled_uversion="3.3.1", @upstream_version="3.4.0", @upstream_url="https://github.com/KDAB/GammaRay/releases/download/v3.4.0/gammaray-3.4.0.tar.gz", @status="Newer version available">