LettuceMetricsAutoConfiguration should not build ClientResources inst…

…ance

Fix:
i.l.c.r.DefaultClientResources WARN io.lettuce.core.resource.DefaultClientResources was not shut down properly, shutdown() was not called before it's garbage-collected. Call shutdown() or shutdown(long,long,TimeUnit)

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/redis/LettuceMetricsAutoConfiguration.java

@@ -36,6 +36,7 @@
  * Auto-configuration for Lettuce metrics.
  *
  * @author Antonin Arquey
+ * @author Yanming Zhou
  * @since 2.6.0
  */
 @Configuration(proxyBeanMethods = false)
@@ -48,8 +49,7 @@ public class LettuceMetricsAutoConfiguration {
 	@Bean
 	public ClientResourcesBuilderCustomizer lettuceMetrics(MeterRegistry meterRegistry) {
 		MicrometerOptions options = MicrometerOptions.builder().histogram(true).build();
-		return (client) -> client.commandLatencyRecorder(new MicrometerCommandLatencyRecorder(meterRegistry, options))
-				.build();
+		return (client) -> client.commandLatencyRecorder(new MicrometerCommandLatencyRecorder(meterRegistry, options));
 	}
 
 }