[neon-notifications] Dev Required: qtkeychain - 0.16.0

[Neon CI]

https://build.neon.kde.org/job/watcher_release_forks_qtkeychain/568/display/redirect

#<Debian::UScan::DEHS::Package:0x000076ce7c4400e0 @name="qtkeychain", @debian_uversion="0.15.0", @debian_mangled_uversion="0.15.0", @upstream_version="0.16.0", @upstream_url="https://github.com/frankosterfeld/qtkeychain/archive/refs/tags/0.16.0.tar.gz", @status="Newer version available">