/usr/lib/x86_64-linux-gnu/libcapi20.so is in libcapi20-dev 1:3.25+dfsg1-3.3ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libcapi20.so.3.0.6
/usr/lib/x86_64-linux-gnu/libcapi20.so.3.0.6