Update to Spring Data Lovelace-SR20

Closes gh-9073

gradle/dependency-management.gradle

@@ -7,7 +7,7 @@ if (!project.hasProperty('springVersion')) {
 }
 
 if (!project.hasProperty('springDataVersion')) {
-	ext.springDataVersion = 'Lovelace-SR19'
+	ext.springDataVersion = 'Lovelace-SR20'
 }
 
 dependencyManagement {