/usr/share/doc/qt3d-scene2d-plugin/changelog.Debian.gz is in qt3d-scene2d-plugin 5.9.5+dfsg-0ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/qt3d-scene2d-plugin/../libqt53dcore5/changelog.Debian.gz