If rebooting does not fix it adding
DPkg::Tools::Options::/usr/bin/apt-listchanges::InfoFD "20";
to /etc/apt/apt.conf.d/20listchanges does
If rebooting does not fix it adding
DPkg::Tools: :Options: :/usr/bin/ apt-listchanges ::InfoFD "20";
to /etc/apt/ apt.conf. d/20listchanges does