/usr/share/doc/gir1.2-webkit-1.0/changelog.Debian.gz is in gir1.2-webkit-1.0 2.4.0-1ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/gir1.2-webkit-1.0/../gir1.2-javascriptcoregtk-1.0/changelog.Debian.gz