rebase: update kubernetes to 1.28.0 in main

updating kubernetes to 1.28.0
in the main repo.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>

vendor/k8s.io/apimachinery/pkg/runtime/splice.go

@@ -0,0 +1,76 @@
+/*
+Copyright 2023 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package runtime
+
+import (
+	"bytes"
+	"io"
+)
+
+// Splice is the interface that wraps the Splice method.
+//
+// Splice moves data from given slice without copying the underlying data for
+// efficiency purpose. Therefore, the caller should make sure the underlying
+// data is not changed later.
+type Splice interface {
+	Splice([]byte)
+	io.Writer
+	Reset()
+	Bytes() []byte
+}
+
+// A spliceBuffer implements Splice and io.Writer interfaces.
+type spliceBuffer struct {
+	raw []byte
+	buf *bytes.Buffer
+}
+
+func NewSpliceBuffer() Splice {
+	return &spliceBuffer{}
+}
+
+// Splice implements the Splice interface.
+func (sb *spliceBuffer) Splice(raw []byte) {
+	sb.raw = raw
+}
+
+// Write implements the io.Writer interface.
+func (sb *spliceBuffer) Write(p []byte) (n int, err error) {
+	if sb.buf == nil {
+		sb.buf = &bytes.Buffer{}
+	}
+	return sb.buf.Write(p)
+}
+
+// Reset resets the buffer to be empty.
+func (sb *spliceBuffer) Reset() {
+	if sb.buf != nil {
+		sb.buf.Reset()
+	}
+	sb.raw = nil
+}
+
+// Bytes returns the data held by the buffer.
+func (sb *spliceBuffer) Bytes() []byte {
+	if sb.buf != nil && len(sb.buf.Bytes()) > 0 {
+		return sb.buf.Bytes()
+	}
+	if sb.raw != nil {
+		return sb.raw
+	}
+	return []byte{}
+}