Fix enums following upstream micrometer change

See gh-11575

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

@@ -46,7 +46,7 @@ public class SimpleProperties {
 	/**
 	 * Counting mode.
 	 */
-	private CountingMode mode = CountingMode.Cumulative;
+	private CountingMode mode = CountingMode.CUMULATIVE;
 
 	public boolean getEnabled() {
 		return this.enabled;

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

@@ -40,7 +40,7 @@ public class StatsdProperties {
 	/**
 	 * StatsD line protocol to use.
 	 */
-	private StatsdFlavor flavor = StatsdFlavor.Datadog;
+	private StatsdFlavor flavor = StatsdFlavor.DATADOG;
 
 	/**
 	 * Host of the StatsD server to receive exported metrics.

spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/metrics/MetricsEndpointTests.java

@@ -131,7 +131,7 @@ public class MetricsEndpointTests {
 
 	private Optional<Double> getCount(MetricsEndpoint.MetricResponse response) {
 		return response.getMeasurements().stream()
-				.filter((ms) -> ms.getStatistic().equals(Statistic.Count)).findAny()
+				.filter((ms) -> ms.getStatistic().equals(Statistic.COUNT)).findAny()
 				.map(MetricsEndpoint.Sample::getValue);
 	}