/usr/share/doc/libpulse-dev/changelog.Debian.gz is in libpulse-dev 1:8.0-0ubuntu3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libpulse-dev/../libpulse0/changelog.Debian.gz
/usr/share/doc/libpulse-dev/../libpulse0/changelog.Debian.gz