/usr/share/doc/dolphin/changelog.Debian.gz is in dolphin 4:17.12.3-0ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/dolphin/../libdolphinvcs5/changelog.Debian.gz
/usr/share/doc/dolphin/../libdolphinvcs5/changelog.Debian.gz