smb3 unix statfs is broken in samba < 4.22

There is a bug in Samba < 4.21 breaking `statfs` (https://gitlab.com/samba-team/samba/-/commit/7a440864dde9e9de8748b1e930bfa59f25eaf08a) when using the modern SMB3 UNIX extensions. Fedora 41, which is about to be released, has the latest Samba release with the patch. It would be great to cut a release based FC41 once it is generally available.