drop explicit version

Signed-off-by: wind57 <[email protected]>

Author: wind57

spring-cloud-kubernetes-examples/kubernetes-leader-election-example/pom.xml

@@ -73,6 +73,10 @@
 					<skip>true</skip>
 				</configuration>
 			</plugin>
+			<plugin>
+				<artifactId>maven-surefire-plugin</artifactId>
+				<version>3.5.3</version>
+			</plugin>
 		</plugins>
 	</build>