/usr/share/doc/libwebkit2gtk-4.0-dev/NEWS.Debian.gz is in libwebkit2gtk-4.0-dev 2.10.9-1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libwebkit2gtk-4.0-dev/../libjavascriptcoregtk-4.0-18/NEWS.Debian.gz