[neon-notifications] Dev Required: exiv2 - 0.28.7

[Neon CI]

https://build.neon.kde.org/job/watcher_release_backports-noble_exiv2-noble/3/display/redirect

#<Debian::UScan::DEHS::Package:0x0000749d97c6a210 @name="exiv2", @debian_uversion="0.28.5", @debian_mangled_uversion="0.28.5", @upstream_version="0.28.7", @upstream_url="https://github.com/Exiv2/exiv2/archive/refs/tags/v0.28.7.tar.gz", @status="Newer version available">