Update containers/storage

New pinned commit is 477e551dd493e5c80999d3690d3a201fd26ba2f1

Signed-off-by: Matthew Heon <matthew.heon@gmail.com>

Closes: #425
Approved by: rhatdan

vendor/github.com/containers/storage/lockfile_darwin.go

@@ -0,0 +1,19 @@
+// +build darwin freebsd
+
+package storage
+
+import (
+	"time"
+
+	"golang.org/x/sys/unix"
+)
+
+func (l *lockfile) TouchedSince(when time.Time) bool {
+	st := unix.Stat_t{}
+	err := unix.Fstat(int(l.fd), &st)
+	if err != nil {
+		return true
+	}
+	touched := time.Unix(st.Mtimespec.Unix())
+	return when.Before(touched)
+}