Update vendor

vendor/github.com/mattermost/logr/v2/stdlogger.go

@@ -0,0 +1,56 @@
+package logr
+
+import (
+	"log"
+	"os"
+	"strings"
+)
+
+// NewStdLogger creates a standard logger backed by a Logr instance.
+// All log records are emitted with the specified log level.
+func NewStdLogger(level Level, logger Logger) *log.Logger {
+	adapter := newStdLogAdapter(logger, level)
+	return log.New(adapter, "", 0)
+}
+
+// RedirectStdLog redirects output from the standard library's package-global logger
+// to this logger at the specified level and with zero or more Field's. Since Logr already
+// handles caller annotations, timestamps, etc., it automatically disables the standard
+// library's annotations and prefixing.
+// A function is returned that restores the original prefix and flags and resets the standard
+// library's output to os.Stderr.
+func (lgr *Logr) RedirectStdLog(level Level, fields ...Field) func() {
+	flags := log.Flags()
+	prefix := log.Prefix()
+	log.SetFlags(0)
+	log.SetPrefix("")
+
+	logger := lgr.NewLogger().With(fields...)
+	adapter := newStdLogAdapter(logger, level)
+	log.SetOutput(adapter)
+
+	return func() {
+		log.SetFlags(flags)
+		log.SetPrefix(prefix)
+		log.SetOutput(os.Stderr)
+	}
+}
+
+type stdLogAdapter struct {
+	logger Logger
+	level  Level
+}
+
+func newStdLogAdapter(logger Logger, level Level) *stdLogAdapter {
+	return &stdLogAdapter{
+		logger: logger,
+		level:  level,
+	}
+}
+
+// Write implements io.Writer
+func (a *stdLogAdapter) Write(p []byte) (int, error) {
+	s := strings.TrimSpace(string(p))
+	a.logger.Log(a.level, s)
+	return len(p), nil
+}