[neon-notifications] kdoctools new version 5.71.0

[Neon CI]

https://build.neon.kde.org/job/watcher_release_kde_kdoctools/805/display/redirect

#<Debian::UScan::DEHS::Package:0x000056274d8449d0 @name="kdoctools", @debian_uversion="5.70.0", @debian_mangled_uversion="5.70.0", @upstream_version="5.71.0", @upstream_url="https://download.kde.internal.neon.kde.org/stable/frameworks/5.71/kdoctools-5.71.0.tar.xz", @status="Newer version available">