[neon-notifications] Dev Required: c4core - 0.3.0

[Neon CI]

https://build.neon.kde.org/job/watcher_release_neon-packaging_c4core/406/display/redirect

#<Debian::UScan::DEHS::Package:0x00007871f7d58fb8 @name="c4core", @debian_uversion="0.2.2", @debian_mangled_uversion="0.2.2", @upstream_version="0.3.0", @upstream_url="https://github.com/biojppm/c4core/releases/download/v0.3.0/c4core-0.3.0-src.tgz", @status="Newer version available">