Bump maven-{surefire,failsafe}-plugin to 3.5.4

https://github.com/apache/maven-surefire/releases/tag/maven-surefire-3.5.4

JIRA: LIGHTY-394
Signed-off-by: Peter Suna <peter.suna@pantheon.tech>
(cherry picked from commit 5629c5b)

Author: PeterSuna

lighty-core/lighty-parent/pom.xml

@@ -115,12 +115,12 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-failsafe-plugin</artifactId>
-                    <version>3.5.3</version>
+                    <version>3.5.4</version>
                 </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-surefire-plugin</artifactId>
-                    <version>3.5.3</version>
+                    <version>3.5.4</version>
                     <configuration>
                         <forkCount>1</forkCount>
                         <reuseForks>true</reuseForks>

lighty-examples/lighty-controller-springboot-netconf/pom.xml

@@ -124,7 +124,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-surefire-plugin</artifactId>
-                    <version>3.5.3</version>
+                    <version>3.5.4</version>
                     <configuration>
                         <forkCount>1</forkCount>
                         <reuseForks>true</reuseForks>