Use small image hazelcast/hazelcast:5.2.0-slim (#7530)

Author: eddumelendez

examples/hazelcast/src/test/java/org/testcontainers/examples/HazelcastTest.java

@@ -21,7 +21,7 @@
 class HazelcastTest {
 
     // Hazelcast values
-    private static final String HZ_IMAGE_NAME = "hazelcast/hazelcast:5.2.0";
+    private static final String HZ_IMAGE_NAME = "hazelcast/hazelcast:5.2.0-slim";
 
     private static final String HZ_CLUSTERNAME_ENV_NAME = "HZ_CLUSTERNAME";
 
@@ -77,8 +77,8 @@ void singleHazelcastContainer() {
 
     @Test
     void hazelcastCluster() {
-        Network network = Network.newNetwork();
         try (
+            Network network = Network.newNetwork();
             GenericContainer<?> container1 = new GenericContainer<>(DockerImageName.parse(HZ_IMAGE_NAME))
                 .withExposedPorts(DEFAULT_EXPOSED_PORT)
                 .withEnv(HZ_CLUSTERNAME_ENV_NAME, TEST_CLUSTER_NAME)