Update to latest docker image.

Author: sappenin

xrpl4j-integration-tests/src/test/java/org/xrpl/xrpl4j/tests/environment/RippledContainer.java

@@ -84,7 +84,7 @@ public class RippledContainer {
    * No-args constructor.
    */
   public RippledContainer() {
-    try (GenericContainer<?> container = new GenericContainer<>("rippleci/rippled:2.3.0")) {
+    try (GenericContainer<?> container = new GenericContainer<>("rippleci/rippled:latest")) {
       this.rippledContainer = container.withCreateContainerCmdModifier((Consumer<CreateContainerCmd>) (cmd) ->
           cmd.withEntrypoint("/opt/ripple/bin/rippled"))
         .withCommand("-a --start --conf /config/rippled.cfg")