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

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

process.go

@@ -18,6 +18,7 @@ package containerd
 
 import (
 	"context"
+	"fmt"
 	"strings"
 	"syscall"
 	"time"
@@ -25,7 +26,6 @@ import (
 	"github.com/containerd/containerd/api/services/tasks/v1"
 	"github.com/containerd/containerd/cio"
 	"github.com/containerd/containerd/errdefs"
-	"github.com/pkg/errors"
 )
 
 // Process represents a system process
@@ -210,7 +210,7 @@ func (p *process) Delete(ctx context.Context, opts ...ProcessDeleteOpts) (*ExitS
 	}
 	switch status.Status {
 	case Running, Paused, Pausing:
-		return nil, errors.Wrapf(errdefs.ErrFailedPrecondition, "current process state: %s, process must be stopped before deletion", status.Status)
+		return nil, fmt.Errorf("current process state: %s, process must be stopped before deletion: %w", status.Status, errdefs.ErrFailedPrecondition)
 	}
 	r, err := p.task.client.TaskService().DeleteProcess(ctx, &tasks.DeleteProcessRequest{
 		ContainerID: p.task.id,