Update to Spring Data Moore-RC1

Closes gh-16966

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

@@ -181,7 +181,7 @@
 		<spring-amqp.version>2.2.0.M2</spring-amqp.version>
 		<spring-batch.version>4.2.0.M2</spring-batch.version>
 		<spring-cloud-connectors.version>2.0.5.RELEASE</spring-cloud-connectors.version>
-		<spring-data-releasetrain.version>Moore-BUILD-SNAPSHOT</spring-data-releasetrain.version>
+		<spring-data-releasetrain.version>Moore-RC1</spring-data-releasetrain.version>
 		<spring-framework.version>5.2.0.M3</spring-framework.version>
 		<spring-hateoas.version>1.0.0.BUILD-SNAPSHOT</spring-hateoas.version>
 		<spring-integration.version>5.2.0.M2</spring-integration.version>