mock v4.0
Full release notes:
https://rpm-software-management.github.io/mock/Release-Notes-4.0
- cleanup the bootstrap image logic so it works if Mock is run in container
- rebuild: kill orphans when mounted
- bootstrap: delay the buildroot-in-bootstrap recursive mount
- use shlex instead of pipes
- fix bootstrap_* prefixed config_opts options
- manual page: fix the "how to fill an issue" info
- support for DNF5 added
- use -N instead of -n for useradd (msuchy@redhat.com)
- mock: don't use distutils copy_tree()