/usr/lib/x86_64-linux-gnu/libresource_retriever.so is in libresource-retriever-dev 1.12.3-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libresource_retriever.so.0d
/usr/lib/x86_64-linux-gnu/libresource_retriever.so.0d