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

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

diff/stream_windows.go

@@ -19,6 +19,7 @@ package diff
 import (
 	"bytes"
 	"context"
+	"errors"
 	"fmt"
 	"io"
 	"os"
@@ -28,7 +29,6 @@ import (
 	winio "github.com/Microsoft/go-winio"
 	"github.com/gogo/protobuf/proto"
 	"github.com/gogo/protobuf/types"
-	"github.com/pkg/errors"
 	"github.com/sirupsen/logrus"
 	exec "golang.org/x/sys/execabs"
 )