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

Author: renovate[bot]

pom.xml

@@ -146,7 +146,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-failsafe-plugin</artifactId>
-				<version>3.5.5</version>
+				<version>3.5.6</version>
 				<executions>
 					<execution>
 						<goals>