Specify @Order to the defaultTracingObservationHandler bean definition

See gh-34216

Signed-off-by: Tadaya Tsuyukubo <tadaya@ttddyy.net>

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/tracing/MicrometerTracingAutoConfiguration.java

@@ -62,6 +62,7 @@ public class MicrometerTracingAutoConfiguration {
 	@Bean
 	@ConditionalOnMissingBean
 	@ConditionalOnBean(Tracer.class)
+	@Order(DEFAULT_TRACING_OBSERVATION_HANDLER_ORDER)
 	public DefaultTracingObservationHandler defaultTracingObservationHandler(Tracer tracer) {
 		return new DefaultTracingObservationHandler(tracer);
 	}