rebase: bump the k8s-dependencies group in /e2e with 3 updates

Bumps the k8s-dependencies group in /e2e with 3 updates: [k8s.io/apimachinery](https://github.com/kubernetes/apimachinery), [k8s.io/cloud-provider](https://github.com/kubernetes/cloud-provider) and [k8s.io/pod-security-admission](https://github.com/kubernetes/pod-security-admission).


Updates `k8s.io/apimachinery` from 0.32.3 to 0.33.0
- [Commits](https://github.com/kubernetes/apimachinery/compare/v0.32.3...v0.33.0)

Updates `k8s.io/cloud-provider` from 0.32.3 to 0.33.0
- [Commits](https://github.com/kubernetes/cloud-provider/compare/v0.32.3...v0.33.0)

Updates `k8s.io/pod-security-admission` from 0.32.3 to 0.33.0
- [Commits](https://github.com/kubernetes/pod-security-admission/compare/v0.32.3...v0.33.0)

---
updated-dependencies:
- dependency-name: k8s.io/apimachinery
  dependency-version: 0.33.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: k8s-dependencies
- dependency-name: k8s.io/cloud-provider
  dependency-version: 0.33.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: k8s-dependencies
- dependency-name: k8s.io/pod-security-admission
  dependency-version: 0.33.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: k8s-dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>

e2e/vendor/k8s.io/component-base/zpages/flagz/flagreader.go

@@ -25,7 +25,7 @@ type Reader interface {
 	GetFlagz() map[string]string
 }
 
-// NamedFlagSetsGetter implements Reader for cliflag.NamedFlagSets
+// NamedFlagSetsReader implements Reader for cliflag.NamedFlagSets
 type NamedFlagSetsReader struct {
 	FlagSets cliflag.NamedFlagSets
 }

e2e/vendor/k8s.io/component-base/zpages/flagz/flagz.go

@@ -23,15 +23,15 @@ import (
 	"math/rand"
 	"net/http"
 	"sort"
-	"strings"
 	"sync"
 
-	"github.com/munnerz/goautoneg"
-
+	"k8s.io/component-base/zpages/httputil"
 	"k8s.io/klog/v2"
 )
 
 const (
+	DefaultFlagzPath = "/flagz"
+
 	flagzHeaderFmt = `
 %s flags
 Warning: This endpoint is not meant to be machine parseable, has no formatting compatibility guarantees and is for debugging purposes only.
@@ -40,8 +40,7 @@ Warning: This endpoint is not meant to be machine parseable, has no formatting c
 )
 
 var (
-	flagzSeparators         = []string{":", ": ", "=", " "}
-	errUnsupportedMediaType = fmt.Errorf("media type not acceptable, must be: text/plain")
+	delimiters = []string{":", ": ", "=", " "}
 )
 
 type registry struct {
@@ -59,13 +58,13 @@ func Install(m mux, componentName string, flagReader Reader) {
 }
 
 func (reg *registry) installHandler(m mux, componentName string, flagReader Reader) {
-	m.Handle("/flagz", reg.handleFlags(componentName, flagReader))
+	m.Handle(DefaultFlagzPath, reg.handleFlags(componentName, flagReader))
 }
 
 func (reg *registry) handleFlags(componentName string, flagReader Reader) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
-		if !acceptableMediaType(r) {
-			http.Error(w, errUnsupportedMediaType.Error(), http.StatusNotAcceptable)
+		if !httputil.AcceptableMediaType(r) {
+			http.Error(w, httputil.ErrUnsupportedMediaType.Error(), http.StatusNotAcceptable)
 			return
 		}
 
@@ -76,8 +75,8 @@ func (reg *registry) handleFlags(componentName string, flagReader Reader) http.H
 				return
 			}
 
-			randomIndex := rand.Intn(len(flagzSeparators))
-			separator := flagzSeparators[randomIndex]
+			randomIndex := rand.Intn(len(delimiters))
+			separator := delimiters[randomIndex]
 			// Randomize the delimiter for printing to prevent scraping of the response.
 			printSortedFlags(&reg.response, flagReader.GetFlagz(), separator)
 		})
@@ -90,29 +89,6 @@ func (reg *registry) handleFlags(componentName string, flagReader Reader) http.H
 	}
 }
 
-func acceptableMediaType(r *http.Request) bool {
-	accepts := goautoneg.ParseAccept(r.Header.Get("Accept"))
-	for _, accept := range accepts {
-		if !mediaTypeMatches(accept) {
-			continue
-		}
-		if len(accept.Params) == 0 {
-			return true
-		}
-		if len(accept.Params) == 1 {
-			if charset, ok := accept.Params["charset"]; ok && strings.EqualFold(charset, "utf-8") {
-				return true
-			}
-		}
-	}
-	return false
-}
-
-func mediaTypeMatches(a goautoneg.Accept) bool {
-	return (a.Type == "text" || a.Type == "*") &&
-		(a.SubType == "plain" || a.SubType == "*")
-}
-
 func printSortedFlags(w io.Writer, flags map[string]string, separator string) {
 	var sortedKeys []string
 	for key := range flags {

e2e/vendor/k8s.io/component-base/zpages/httputil/httputil.go

@@ -0,0 +1,54 @@
+/*
+Copyright 2024 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 httputil
+
+import (
+	"fmt"
+	"net/http"
+	"strings"
+
+	"github.com/munnerz/goautoneg"
+)
+
+// ErrUnsupportedMediaType is the error returned when the request's
+// Accept header does not contain "text/plain".
+var ErrUnsupportedMediaType = fmt.Errorf("media type not acceptable, must be: text/plain")
+
+// AcceptableMediaType checks if the request's Accept header contains
+// a supported media type with optional "charset=utf-8" parameter.
+func AcceptableMediaType(r *http.Request) bool {
+	accepts := goautoneg.ParseAccept(r.Header.Get("Accept"))
+	for _, accept := range accepts {
+		if !mediaTypeMatches(accept) {
+			continue
+		}
+		if len(accept.Params) == 0 {
+			return true
+		}
+		if len(accept.Params) == 1 {
+			if charset, ok := accept.Params["charset"]; ok && strings.EqualFold(charset, "utf-8") {
+				return true
+			}
+		}
+	}
+	return false
+}
+
+func mediaTypeMatches(a goautoneg.Accept) bool {
+	return (a.Type == "text" || a.Type == "*") &&
+		(a.SubType == "plain" || a.SubType == "*")
+}