Ensure exports are configured before endpoint

Update `SimpleMetricsExportAutoConfiguration` to ensure that it runs
before `SimpleMetricsExportAutoConfiguration`.

See gh-11977

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

@@ -37,11 +37,11 @@ import org.springframework.context.annotation.Configuration;
  */
 @Configuration
 @ConditionalOnClass(Timed.class)
-@ConditionalOnBean(MeterRegistry.class)
 @AutoConfigureAfter(MetricsAutoConfiguration.class)
 public class MetricsEndpointAutoConfiguration {
 
 	@Bean
+	@ConditionalOnBean(MeterRegistry.class)
 	@ConditionalOnMissingBean
 	@ConditionalOnEnabledEndpoint
 	public MetricsEndpoint metricsEndpoint(MeterRegistry registry) {

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/export/simple/SimpleMetricsExportAutoConfiguration.java

@@ -22,7 +22,9 @@ import io.micrometer.core.instrument.simple.SimpleConfig;
 import io.micrometer.core.instrument.simple.SimpleMeterRegistry;
 
 import org.springframework.boot.actuate.autoconfigure.metrics.MetricsAutoConfiguration;
+import org.springframework.boot.actuate.autoconfigure.metrics.MetricsEndpointAutoConfiguration;
 import org.springframework.boot.autoconfigure.AutoConfigureAfter;
+import org.springframework.boot.autoconfigure.AutoConfigureBefore;
 import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
@@ -40,6 +42,7 @@ import org.springframework.context.annotation.Configuration;
  */
 @Configuration
 @AutoConfigureAfter(MetricsAutoConfiguration.class)
+@AutoConfigureBefore(MetricsEndpointAutoConfiguration.class)
 @ConditionalOnBean(Clock.class)
 @EnableConfigurationProperties(SimpleProperties.class)
 @ConditionalOnMissingBean(MeterRegistry.class)