rebase: bump k8s.io/klog/v2 from 2.60.1 to 2.70.1

Bumps [k8s.io/klog/v2](https://github.com/kubernetes/klog) from 2.60.1 to 2.70.1.
- [Release notes](https://github.com/kubernetes/klog/releases)
- [Changelog](https://github.com/kubernetes/klog/blob/main/RELEASE.md)
- [Commits](https://github.com/kubernetes/klog/compare/v2.60.1...v2.70.1)

---
updated-dependencies:
- dependency-name: k8s.io/klog/v2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

vendor/k8s.io/klog/v2/k8s_references.go

@@ -77,6 +77,8 @@ func KRef(namespace, name string) ObjectRef {
 }
 
 // KObjs returns slice of ObjectRef from an slice of ObjectMeta
+//
+// DEPRECATED: Use KObjSlice instead, it has better performance.
 func KObjs(arg interface{}) []ObjectRef {
 	s := reflect.ValueOf(arg)
 	if s.Kind() != reflect.Slice {
@@ -92,3 +94,65 @@ func KObjs(arg interface{}) []ObjectRef {
 	}
 	return objectRefs
 }
+
+// KObjSlice takes a slice of objects that implement the KMetadata interface
+// and returns an object that gets logged as a slice of ObjectRef values or a
+// string containing those values, depending on whether the logger prefers text
+// output or structured output.
+//
+// An error string is logged when KObjSlice is not passed a suitable slice.
+//
+// Processing of the argument is delayed until the value actually gets logged,
+// in contrast to KObjs where that overhead is incurred regardless of whether
+// the result is needed.
+func KObjSlice(arg interface{}) interface{} {
+	return kobjSlice{arg: arg}
+}
+
+type kobjSlice struct {
+	arg interface{}
+}
+
+var _ fmt.Stringer = kobjSlice{}
+var _ logr.Marshaler = kobjSlice{}
+
+func (ks kobjSlice) String() string {
+	objectRefs, err := ks.process()
+	if err != nil {
+		return err.Error()
+	}
+	return fmt.Sprintf("%v", objectRefs)
+}
+
+func (ks kobjSlice) MarshalLog() interface{} {
+	objectRefs, err := ks.process()
+	if err != nil {
+		return err.Error()
+	}
+	return objectRefs
+}
+
+func (ks kobjSlice) process() ([]interface{}, error) {
+	s := reflect.ValueOf(ks.arg)
+	switch s.Kind() {
+	case reflect.Invalid:
+		// nil parameter, print as nil.
+		return nil, nil
+	case reflect.Slice:
+		// Okay, handle below.
+	default:
+		return nil, fmt.Errorf("<KObjSlice needs a slice, got type %T>", ks.arg)
+	}
+	objectRefs := make([]interface{}, 0, s.Len())
+	for i := 0; i < s.Len(); i++ {
+		item := s.Index(i).Interface()
+		if item == nil {
+			objectRefs = append(objectRefs, nil)
+		} else if v, ok := item.(KMetadata); ok {
+			objectRefs = append(objectRefs, KObj(v))
+		} else {
+			return nil, fmt.Errorf("<KObjSlice needs a slice of values implementing KMetadata, got type %T>", item)
+		}
+	}
+	return objectRefs, nil
+}