chore: fix surefiew plugin version problem

Author: darklight3it

samples/kinesis-firehose-event-handler/pom.xml

@@ -69,7 +69,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-surefire-plugin</artifactId>
-                <version>${maven-surefire-plugin.version}</version>
+                <version>3.5.2</version>
                 <configuration>
                     <failIfNoTests>true</failIfNoTests>
                 </configuration>