diff --git a/vendor/github.com/go-logr/stdr/LICENSE b/vendor/github.com/go-logr/stdr/LICENSE
new file mode 100644
index 0000000..261eeb9
--- /dev/null
+++ b/vendor/github.com/go-logr/stdr/LICENSE
@@ -0,0 +1,201 @@
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diff --git a/vendor/github.com/go-logr/stdr/README.md b/vendor/github.com/go-logr/stdr/README.md
new file mode 100644
index 0000000..5158667
--- /dev/null
+++ b/vendor/github.com/go-logr/stdr/README.md
@@ -0,0 +1,6 @@
+# Minimal Go logging using logr and Go's standard library
+
+[![Go Reference](https://pkg.go.dev/badge/github.com/go-logr/stdr.svg)](https://pkg.go.dev/github.com/go-logr/stdr)
+
+This package implements the [logr interface](https://github.com/go-logr/logr)
+in terms of Go's standard log package(https://pkg.go.dev/log).
diff --git a/vendor/github.com/go-logr/stdr/stdr.go b/vendor/github.com/go-logr/stdr/stdr.go
new file mode 100644
index 0000000..93a8aab
--- /dev/null
+++ b/vendor/github.com/go-logr/stdr/stdr.go
@@ -0,0 +1,170 @@
+/*
+Copyright 2019 The logr 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 stdr implements github.com/go-logr/logr.Logger in terms of
+// Go's standard log package.
+package stdr
+
+import (
+	"log"
+	"os"
+
+	"github.com/go-logr/logr"
+	"github.com/go-logr/logr/funcr"
+)
+
+// The global verbosity level.  See SetVerbosity().
+var globalVerbosity int
+
+// SetVerbosity sets the global level against which all info logs will be
+// compared.  If this is greater than or equal to the "V" of the logger, the
+// message will be logged.  A higher value here means more logs will be written.
+// The previous verbosity value is returned.  This is not concurrent-safe -
+// callers must be sure to call it from only one goroutine.
+func SetVerbosity(v int) int {
+	old := globalVerbosity
+	globalVerbosity = v
+	return old
+}
+
+// New returns a logr.Logger which is implemented by Go's standard log package,
+// or something like it.  If std is nil, this will use a default logger
+// instead.
+//
+// Example: stdr.New(log.New(os.Stderr, "", log.LstdFlags|log.Lshortfile)))
+func New(std StdLogger) logr.Logger {
+	return NewWithOptions(std, Options{})
+}
+
+// NewWithOptions returns a logr.Logger which is implemented by Go's standard
+// log package, or something like it.  See New for details.
+func NewWithOptions(std StdLogger, opts Options) logr.Logger {
+	if std == nil {
+		// Go's log.Default() is only available in 1.16 and higher.
+		std = log.New(os.Stderr, "", log.LstdFlags)
+	}
+
+	if opts.Depth < 0 {
+		opts.Depth = 0
+	}
+
+	fopts := funcr.Options{
+		LogCaller: funcr.MessageClass(opts.LogCaller),
+	}
+
+	sl := &logger{
+		Formatter: funcr.NewFormatter(fopts),
+		std:       std,
+	}
+
+	// For skipping our own logger.Info/Error.
+	sl.Formatter.AddCallDepth(1 + opts.Depth)
+
+	return logr.New(sl)
+}
+
+// Options carries parameters which influence the way logs are generated.
+type Options struct {
+	// Depth biases the assumed number of call frames to the "true" caller.
+	// This is useful when the calling code calls a function which then calls
+	// stdr (e.g. a logging shim to another API).  Values less than zero will
+	// be treated as zero.
+	Depth int
+
+	// LogCaller tells stdr to add a "caller" key to some or all log lines.
+	// Go's log package has options to log this natively, too.
+	LogCaller MessageClass
+
+	// TODO: add an option to log the date/time
+}
+
+// MessageClass indicates which category or categories of messages to consider.
+type MessageClass int
+
+const (
+	// None ignores all message classes.
+	None MessageClass = iota
+	// All considers all message classes.
+	All
+	// Info only considers info messages.
+	Info
+	// Error only considers error messages.
+	Error
+)
+
+// StdLogger is the subset of the Go stdlib log.Logger API that is needed for
+// this adapter.
+type StdLogger interface {
+	// Output is the same as log.Output and log.Logger.Output.
+	Output(calldepth int, logline string) error
+}
+
+type logger struct {
+	funcr.Formatter
+	std StdLogger
+}
+
+var _ logr.LogSink = &logger{}
+var _ logr.CallDepthLogSink = &logger{}
+
+func (l logger) Enabled(level int) bool {
+	return globalVerbosity >= level
+}
+
+func (l logger) Info(level int, msg string, kvList ...interface{}) {
+	prefix, args := l.FormatInfo(level, msg, kvList)
+	if prefix != "" {
+		args = prefix + ": " + args
+	}
+	_ = l.std.Output(l.Formatter.GetDepth()+1, args)
+}
+
+func (l logger) Error(err error, msg string, kvList ...interface{}) {
+	prefix, args := l.FormatError(err, msg, kvList)
+	if prefix != "" {
+		args = prefix + ": " + args
+	}
+	_ = l.std.Output(l.Formatter.GetDepth()+1, args)
+}
+
+func (l logger) WithName(name string) logr.LogSink {
+	l.Formatter.AddName(name)
+	return &l
+}
+
+func (l logger) WithValues(kvList ...interface{}) logr.LogSink {
+	l.Formatter.AddValues(kvList)
+	return &l
+}
+
+func (l logger) WithCallDepth(depth int) logr.LogSink {
+	l.Formatter.AddCallDepth(depth)
+	return &l
+}
+
+// Underlier exposes access to the underlying logging implementation.  Since
+// callers only have a logr.Logger, they have to know which implementation is
+// in use, so this interface is less of an abstraction and more of way to test
+// type conversion.
+type Underlier interface {
+	GetUnderlying() StdLogger
+}
+
+// GetUnderlying returns the StdLogger underneath this logger.  Since StdLogger
+// is itself an interface, the result may or may not be a Go log.Logger.
+func (l logger) GetUnderlying() StdLogger {
+	return l.std
+}