Upgrade to Spring Data Hopper SR2

Closes gh-6132

spring-boot-dependencies/pom.xml

@@ -146,7 +146,7 @@
 		<spring-amqp.version>1.6.0.RELEASE</spring-amqp.version>
 		<spring-cloud-connectors.version>1.2.2.RELEASE</spring-cloud-connectors.version>
 		<spring-batch.version>3.0.7.RELEASE</spring-batch.version>
-		<spring-data-releasetrain.version>Hopper-BUILD-SNAPSHOT</spring-data-releasetrain.version>
+		<spring-data-releasetrain.version>Hopper-SR2</spring-data-releasetrain.version>
 		<spring-hateoas.version>0.20.0.RELEASE</spring-hateoas.version>
 		<spring-integration.version>4.3.0.RELEASE</spring-integration.version>
 		<spring-integration-java-dsl.version>1.1.2.RELEASE</spring-integration-java-dsl.version>