Update to Spring Data Kay SR7

Fixes: gh-5318

gradle/dependency-management.gradle

@@ -7,7 +7,7 @@ if (!project.hasProperty('springVersion')) {
 }
 
 if (!project.hasProperty('springDataVersion')) {
-	ext.springDataVersion = 'Kay-SR5'
+	ext.springDataVersion = 'Kay-SR7'
 }
 
 dependencyManagement {