Upgrade to Spring Data Ingalls-SR21

Closes gh-16748

Author: snicoll

spring-boot-dependencies/pom.xml

@@ -156,7 +156,7 @@
 		<spring-amqp.version>1.7.13.RELEASE</spring-amqp.version>
 		<spring-cloud-connectors.version>1.2.8.RELEASE</spring-cloud-connectors.version>
 		<spring-batch.version>3.0.10.RELEASE</spring-batch.version>
-		<spring-data-releasetrain.version>Ingalls-SR20</spring-data-releasetrain.version>
+		<spring-data-releasetrain.version>Ingalls-SR21</spring-data-releasetrain.version>
 		<spring-hateoas.version>0.23.0.RELEASE</spring-hateoas.version>
 		<spring-integration.version>4.3.20.RELEASE</spring-integration.version>
 		<spring-integration-java-dsl.version>1.2.3.RELEASE</spring-integration-java-dsl.version>