/usr/share/doc/libwtdbo-dev/changelog.Debian.gz is in libwtdbo-dev 3.1.10-1ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libwtdbo-dev/../libwt29/changelog.Debian.gz
/usr/share/doc/libwtdbo-dev/../libwt29/changelog.Debian.gz