[neon-notifications] Dev Required: libetebase - 0.5.6

[Neon CI]

https://build.neon.kde.org/job/watcher_release_neon-packaging_libetebase/738/display/redirect

#<Debian::UScan::DEHS::Package:0x000055c6f932b098 @name="libetebase", @debian_uversion="0.5.5", @debian_mangled_uversion="0.5.5", @upstream_version="0.5.6", @upstream_url="https://github.com/etesync/libetebase/archive/refs/tags/v0.5.6.tar.gz", @status="Newer version available">