[neon-notifications] Dev Required: xsimd - 14.2.0

[Neon CI]

https://build.neon.kde.org/job/watcher_release_backports-noble_xsimd/487/display/redirect

#<Debian::UScan::DEHS::Package:0x00007ca769a6bf70 @name="xsimd", @debian_uversion="13.0.0", @debian_mangled_uversion="13.0.0", @upstream_version="14.2.0", @upstream_url="https://github.com/xtensor-stack/xsimd/archive/refs/tags/14.2.0.tar.gz", @status="Newer version available">