Update dependency org.apache.maven.plugins:maven-surefire-plugin to v3.5.6

Author: xdev-renovate

spring-data-eclipse-store-migration/pom.xml

@@ -200,7 +200,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-surefire-plugin</artifactId>
-				<version>3.5.4</version>
+				<version>3.5.6</version>
 			</plugin>
 		</plugins>
 	</build>