Update libcontainer dependency

vendor/github.com/opencontainers/runc/libcontainer/cgroups/fs/devices.go

@@ -5,6 +5,7 @@ package fs
 import (
 	"github.com/opencontainers/runc/libcontainer/cgroups"
 	"github.com/opencontainers/runc/libcontainer/configs"
+	"github.com/opencontainers/runc/libcontainer/system"
 )
 
 type DevicesGroup struct {
@@ -25,6 +26,23 @@ func (s *DevicesGroup) Apply(d *cgroupData) error {
 }
 
 func (s *DevicesGroup) Set(path string, cgroup *configs.Cgroup) error {
+	if system.RunningInUserNS() {
+		return nil
+	}
+
+	devices := cgroup.Resources.Devices
+	if len(devices) > 0 {
+		for _, dev := range devices {
+			file := "devices.deny"
+			if dev.Allow {
+				file = "devices.allow"
+			}
+			if err := writeFile(path, file, dev.CgroupString()); err != nil {
+				return err
+			}
+		}
+		return nil
+	}
 	if !cgroup.Resources.AllowAllDevices {
 		if err := writeFile(path, "devices.deny", "a"); err != nil {
 			return err