Polish "Fix classpath condition for Lettuce metrics auto-configuration"

See gh-28436

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

@@ -41,7 +41,7 @@
 @Configuration(proxyBeanMethods = false)
 @AutoConfigureBefore(RedisAutoConfiguration.class)
 @AutoConfigureAfter({ MetricsAutoConfiguration.class, CompositeMeterRegistryAutoConfiguration.class })
-@ConditionalOnClass(RedisClient.class)
+@ConditionalOnClass({ RedisClient.class, MicrometerCommandLatencyRecorder.class })
 @ConditionalOnBean(MeterRegistry.class)
 public class LettuceMetricsAutoConfiguration {