[neon-notifications] Dev Required: keyman - 17.0.315

[Neon CI]

https://build.neon.kde.org/job/watcher_release_backports-jammy_keyman-ubuntu/13/display/redirect

#<Debian::UScan::DEHS::Package:0x00007f96185df8f8 @name="keyman", @debian_uversion="17.0.295", @debian_mangled_uversion="17.0.295", @upstream_version="17.0.315", @upstream_url="https://downloads.keyman.com/linux/beta/17.0.315/keyman-17.0.315.tar.gz", @status="Newer version available">