Upgrade to Micrometer 1.0.3

Closes gh-12767

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

@@ -276,9 +276,9 @@ public class PropertiesMeterFilterTests {
 		assertThat(filter.configure(timer, DistributionStatisticConfig.DEFAULT)
 				.getSlaBoundaries()).containsExactly(1000000, 2000000, 3000000);
 		assertThat(filter.configure(summary, DistributionStatisticConfig.DEFAULT)
-				.getSlaBoundaries()).isEmpty();
+				.getSlaBoundaries()).isNullOrEmpty();
 		assertThat(filter.configure(counter, DistributionStatisticConfig.DEFAULT)
-				.getSlaBoundaries()).isEmpty();
+				.getSlaBoundaries()).isNullOrEmpty();
 	}
 
 	@Test
@@ -293,7 +293,7 @@ public class PropertiesMeterFilterTests {
 		assertThat(filter.configure(summary, DistributionStatisticConfig.DEFAULT)
 				.getSlaBoundaries()).containsExactly(1, 2, 3);
 		assertThat(filter.configure(counter, DistributionStatisticConfig.DEFAULT)
-				.getSlaBoundaries()).isEmpty();
+				.getSlaBoundaries()).isNullOrEmpty();
 	}
 
 	private Id createMeterId(String name) {

spring-boot-project/spring-boot-dependencies/pom.xml

@@ -120,7 +120,7 @@
 		<logback.version>1.2.3</logback.version>
 		<lombok.version>1.16.20</lombok.version>
 		<mariadb.version>2.2.3</mariadb.version>
-		<micrometer.version>1.0.2</micrometer.version>
+		<micrometer.version>1.0.3</micrometer.version>
 		<mockito.version>2.15.0</mockito.version>
 		<mongo-driver-reactivestreams.version>1.7.1</mongo-driver-reactivestreams.version>
 		<mongodb.version>3.6.3</mongodb.version>