rebase: update kubernetes to latest

updating the kubernetes release to the
latest in main go.mod

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

vendor/k8s.io/apiserver/pkg/server/routine/routine.go

@@ -0,0 +1,91 @@
+/*
+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 routine
+
+import (
+	"context"
+	"net/http"
+
+	"k8s.io/apiserver/pkg/endpoints/request"
+)
+
+type taskKeyType int
+
+const taskKey taskKeyType = iota
+
+type Task struct {
+	Func func()
+}
+
+func WithTask(parent context.Context, t *Task) context.Context {
+	return request.WithValue(parent, taskKey, t)
+}
+
+// AppendTask appends a task executed after completion of existing task.
+// It is a no-op if there is no existing task.
+func AppendTask(ctx context.Context, t *Task) bool {
+	if existTask := TaskFrom(ctx); existTask != nil && existTask.Func != nil {
+		existFunc := existTask.Func
+		existTask.Func = func() {
+			existFunc()
+			t.Func()
+		}
+		return true
+	}
+	return false
+}
+
+func TaskFrom(ctx context.Context) *Task {
+	t, _ := ctx.Value(taskKey).(*Task)
+	return t
+}
+
+// WithRoutine returns an http.Handler that executes preparation of long running requests (i.e. watches)
+// in a separate Goroutine and then serves the long running request in the main Goroutine. Doing so allows
+// freeing stack memory used in preparation Goroutine for better memory efficiency.
+func WithRoutine(handler http.Handler, longRunning request.LongRunningRequestCheck) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
+		ctx := req.Context()
+		requestInfo, _ := request.RequestInfoFrom(ctx)
+		if !longRunning(req, requestInfo) {
+			handler.ServeHTTP(w, req)
+			return
+		}
+
+		req = req.WithContext(WithTask(ctx, &Task{}))
+		panicCh := make(chan any, 1)
+		go func() {
+			defer func() {
+				if r := recover(); r != nil {
+					panicCh <- r
+				}
+				close(panicCh)
+			}()
+			handler.ServeHTTP(w, req)
+		}()
+
+		if p, ok := <-panicCh; ok {
+			panic(p)
+		}
+
+		ctx = req.Context()
+		if t := TaskFrom(ctx); t != nil && t.Func != nil {
+			t.Func()
+		}
+
+	})
+}