Upgrade to Maven Failsafe Plugin 2.18.1

Closes gh-6273

Author: wilkinsona

spring-boot-dependencies/pom.xml

@@ -2072,7 +2072,7 @@
 				<plugin>
 					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-failsafe-plugin</artifactId>
-					<version>2.18</version>
+					<version>2.18.1</version>
 				</plugin>
 				<plugin>
 					<groupId>org.apache.maven.plugins</groupId>