[neon-notifications] Releasing: plasma-phonebook - 26.04.3

[Neon CI]

https://build.neon.kde.org/job/watcher_release_plasma-mobile_plasma-phonebook/615/display/redirect

#<Debian::UScan::DEHS::Package:0x00007b8204a41468 @name="plasma-phonebook", @debian_uversion="26.04.2", @debian_mangled_uversion="26.04.2", @upstream_version="26.04.3", @upstream_url="http://download.kde.internal.neon.kde.org/stable/release-service/26.04.3/src/plasma-phonebook-26.04.3.tar.xz", @status="Newer version available">