/usr/share/doc/qca-qt5-2-utils/changelog.Debian.gz is in qca-qt5-2-utils 2.1.3-2ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/qca-qt5-2-utils/../libqca-qt5-2/changelog.Debian.gz