[neon-notifications] Releasing: plasma-wayland-protocols - 1.15.0

[Neon CI]

https://build.neon.kde.org/job/watcher_release_kde_plasma-wayland-protocols/120/display/redirect

#<Debian::UScan::DEHS::Package:0x000075c436711720 @name="plasma-wayland-protocols", @debian_uversion="1.14.0", @debian_mangled_uversion="1.14.0", @upstream_version="1.15.0", @upstream_url="https://download.kde.internal.neon.kde.org/stable/plasma-wayland-protocols/plasma-wayland-protocols-1.15.0.tar.xz", @status="Newer version available">