[neon-notifications] Dev Required: cmake - 3.29.6

[Neon CI]

https://build.neon.kde.org/job/watcher_release_backports-jammy_cmake/314/display/redirect

#<Debian::UScan::DEHS::Package:0x00007ff3b9d0d298 @name="cmake", @debian_uversion="3.29.0", @debian_mangled_uversion="3.29.0", @upstream_version="3.29.6", @upstream_url="https://cmake.org/files/LatestRelease/cmake-3.29.6.tar.gz", @status="Newer version available">