feat: replace github.com/pkg/errors to errors

Signed-off-by: haoyun <yun.hao@daocloud.io>
Co-authored-by: zounengren <zouyee1989@gmail.com>

remotes/docker/status.go

@@ -17,12 +17,12 @@
 package docker
 
 import (
+	"fmt"
 	"sync"
 
 	"github.com/containerd/containerd/content"
 	"github.com/containerd/containerd/errdefs"
 	"github.com/moby/locker"
-	"github.com/pkg/errors"
 )
 
 // Status of a content operation
@@ -67,7 +67,7 @@ func (t *memoryStatusTracker) GetStatus(ref string) (Status, error) {
 	defer t.m.Unlock()
 	status, ok := t.statuses[ref]
 	if !ok {
-		return Status{}, errors.Wrapf(errdefs.ErrNotFound, "status for ref %v", ref)
+		return Status{}, fmt.Errorf("status for ref %v: %w", ref, errdefs.ErrNotFound)
 	}
 	return status, nil
 }