[neon-notifications] Dev Required: cmake - 4.2.3

[Neon CI]

https://build.neon.kde.org/job/watcher_release_backports-noble_cmake-noble/280/display/redirect

#<Debian::UScan::DEHS::Package:0x0000776d5dce82a8 @name="cmake", @debian_uversion="3.30.5", @debian_mangled_uversion="3.30.5", @upstream_version="4.2.3", @upstream_url="https://cmake.org/files/LatestRelease/cmake-4.2.3.tar.gz", @status="Newer version available">