- Update to runc v1.1.1. Upstream changelog is available from
https://github.com/opencontainers/runc/releases/tag/v1.1.1.

* runc run/start can now run a container with read-only /dev in OCI spec,
rather than error out. (#3355)
* runc exec now ensures that --cgroup argument is a sub-cgroup. (#3403)
libcontainer systemd v2 manager no longer errors out if one of the files
listed in /sys/kernel/cgroup/delegate do not exist in container's
cgroup. (#3387, #3404)
* Loosen OCI spec validation to avoid bogus "Intel RDT is not supported"
error. (#3406)
* libcontainer/cgroups no longer panics in cgroup v1 managers if stat
of /sys/fs/cgroup/unified returns an error other than ENOENT. (#3435)