Update to Spring Data Lovelace-SR6

Fixes: gh-6665

gradle/dependency-management.gradle

@@ -7,7 +7,7 @@ if (!project.hasProperty('springVersion')) {
 }
 
 if (!project.hasProperty('springDataVersion')) {
-	ext.springDataVersion = 'Lovelace-SR4'
+	ext.springDataVersion = 'Lovelace-SR6'
 }
 
 dependencyManagement {