[neon-notifications] Dev Required: wayland-protocols - 1.26

[Neon CI]

https://build.neon.kde.org/job/watcher_release_backports-focal_wayland-protocols/419/display/redirect

#<Debian::UScan::DEHS::Package:0x0000557a4ccbd240 @name="wayland-protocols", @debian_uversion="1.25", @debian_mangled_uversion="1.25", @upstream_version="1.26", @upstream_url="https://wayland.freedesktop.org/releases/wayland-protocols-1.26.tar.xz", @status="Newer version available">