rebase: update k8s.io packages to v0.29.0

Signed-off-by: Niels de Vos <ndevos@ibm.com>

vendor/k8s.io/apimachinery/pkg/util/httpstream/httpstream.go

@@ -17,6 +17,7 @@ limitations under the License.
 package httpstream
 
 import (
+	"errors"
 	"fmt"
 	"io"
 	"net/http"
@@ -95,6 +96,26 @@ type Stream interface {
 	Identifier() uint32
 }
 
+// UpgradeFailureError encapsulates the cause for why the streaming
+// upgrade request failed. Implements error interface.
+type UpgradeFailureError struct {
+	Cause error
+}
+
+func (u *UpgradeFailureError) Error() string {
+	return fmt.Sprintf("unable to upgrade streaming request: %s", u.Cause)
+}
+
+// IsUpgradeFailure returns true if the passed error is (or wrapped error contains)
+// the UpgradeFailureError.
+func IsUpgradeFailure(err error) bool {
+	if err == nil {
+		return false
+	}
+	var upgradeErr *UpgradeFailureError
+	return errors.As(err, &upgradeErr)
+}
+
 // IsUpgradeRequest returns true if the given request is a connection upgrade request
 func IsUpgradeRequest(req *http.Request) bool {
 	for _, h := range req.Header[http.CanonicalHeaderKey(HeaderConnection)] {