vendor containers/storage@main

Mainly to pull in fixes for #1382 which is impossible to reproduce
locally so let's optimistically mark it as fixed and reopen if needed
in the future.

Fixes: #1382
Signed-off-by: Valentin Rothberg <vrothberg@redhat.com>

vendor/github.com/containers/storage/pkg/system/init.go

@@ -6,7 +6,7 @@ import (
 	"unsafe"
 )
 
-// Used by chtimes
+// maxTime is used by chtimes.
 var maxTime time.Time
 
 func init() {

vendor/github.com/containers/storage/pkg/system/rm.go

@@ -3,7 +3,6 @@ package system
 import (
 	"fmt"
 	"os"
-	"syscall"
 	"time"
 
 	"github.com/containers/storage/pkg/mount"
@@ -65,7 +64,7 @@ func EnsureRemoveAll(dir string) error {
 			continue
 		}
 
-		if pe.Err != syscall.EBUSY {
+		if !IsEBUSY(pe.Err) {
 			return err
 		}