rebase: bump k8s.io/klog/v2 from 2.40.1 to 2.60.1

Bumps [k8s.io/klog/v2](https://github.com/kubernetes/klog) from 2.40.1 to 2.60.1.
- [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/v2.40.1...v2.60.1)

---
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/internal/severity/severity.go

@@ -0,0 +1,58 @@
+// Copyright 2013 Google Inc. All Rights Reserved.
+// Copyright 2022 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 severity provides definitions for klog severity (info, warning, ...)
+package severity
+
+import (
+	"strings"
+)
+
+// severity identifies the sort of log: info, warning etc. The binding to flag.Value
+// is handled in klog.go
+type Severity int32 // sync/atomic int32
+
+// These constants identify the log levels in order of increasing severity.
+// A message written to a high-severity log file is also written to each
+// lower-severity log file.
+const (
+	InfoLog Severity = iota
+	WarningLog
+	ErrorLog
+	FatalLog
+	NumSeverity = 4
+)
+
+// Char contains one shortcut letter per severity level.
+const Char = "IWEF"
+
+// Name contains one name per severity level.
+var Name = []string{
+	InfoLog:    "INFO",
+	WarningLog: "WARNING",
+	ErrorLog:   "ERROR",
+	FatalLog:   "FATAL",
+}
+
+// ByName looks up a severity level by name.
+func ByName(s string) (Severity, bool) {
+	s = strings.ToUpper(s)
+	for i, name := range Name {
+		if name == s {
+			return Severity(i), true
+		}
+	}
+	return 0, false
+}