feat: add vendor

vendor/github.com/envoyproxy/go-control-plane/pkg/log/default.go

@@ -0,0 +1,27 @@
+package log
+
+// DefaultLogger is enabled when no consuming clients provide
+// a logger to the server/cache subsystem
+type DefaultLogger struct {
+}
+
+// NewDefaultLogger creates a DefaultLogger which is a no-op to maintain current functionality
+func NewDefaultLogger() *DefaultLogger {
+	return &DefaultLogger{}
+}
+
+// Debugf logs a message at level debug on the standard logger.
+func (l *DefaultLogger) Debugf(format string, args ...interface{}) {
+}
+
+// Infof logs a message at level info on the standard logger.
+func (l *DefaultLogger) Infof(format string, args ...interface{}) {
+}
+
+// Warnf logs a message at level warn on the standard logger.
+func (l *DefaultLogger) Warnf(format string, args ...interface{}) {
+}
+
+// Errorf logs a message at level error on the standard logger.
+func (l *DefaultLogger) Errorf(format string, args ...interface{}) {
+}