Bump github.com/containers/common from 0.6.1 to 0.8.0

Bumps [github.com/containers/common](https://github.com/containers/common) from 0.6.1 to 0.8.0.
- [Release notes](https://github.com/containers/common/releases)
- [Commits](https://github.com/containers/common/compare/v0.6.1...v0.8.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

vendor/github.com/containers/common/pkg/cgroupv2/cgroups_linux.go

@@ -0,0 +1,27 @@
+package cgroupv2
+
+import (
+	"sync"
+	"syscall"
+
+	"golang.org/x/sys/unix"
+)
+
+var (
+	isCgroupV2Once sync.Once
+	isCgroupV2     bool
+	isCgroupV2Err  error
+)
+
+// Enabled returns whether we are running in cgroup 2 cgroup2 mode.
+func Enabled() (bool, error) {
+	isCgroupV2Once.Do(func() {
+		var st syscall.Statfs_t
+		if err := syscall.Statfs("/sys/fs/cgroup", &st); err != nil {
+			isCgroupV2, isCgroupV2Err = false, err
+		} else {
+			isCgroupV2, isCgroupV2Err = st.Type == unix.CGROUP2_SUPER_MAGIC, nil
+		}
+	})
+	return isCgroupV2, isCgroupV2Err
+}