[neon-notifications] Releasing: okteta - 0.26.15

[Neon CI]

https://build.neon.kde.org/job/watcher_release_extras_okteta/826/display/redirect

#<Debian::UScan::DEHS::Package:0x0000564131ef3198 @name="okteta", @debian_uversion="0.26.14", @debian_mangled_uversion="0.26.14", @upstream_version="0.26.15", @upstream_url="https://download.kde.internal.neon.kde.org/stable/okteta/0.26.15/src/okteta-0.26.15.tar.xz", @status="Newer version available">