#1389 Override close method without throws statement (#1392)

Author: mumukiller

core/src/main/java/org/testcontainers/containers/Network.java

@@ -28,6 +28,9 @@ public void close() {
 
     String getId();
 
+    @Override
+    void close();
+
     static Network newNetwork() {
         return builder().build();
     }