Apply suggestions from code review

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: ttypic

lib/src/main/java/io/ably/lib/realtime/ChannelBase.java

@@ -1158,6 +1158,7 @@ public void publish(Message message, Callback<PublishResult> callback) throws Ab
      * <p>
      * This listener is invoked on a background thread.
      * @throws AblyException
+     * @deprecated Use {@link #publish(Message[], Callback)} instead.
      */
     @Deprecated
     @NonBlocking

lib/src/test/java/io/ably/lib/test/rest/RestChannelMessageEditTest.java

@@ -338,7 +338,7 @@ public void getMessageVersions_async() throws Exception {
 
         // Verify version history
         assertNotNull("Expected non-null versions", versions);
-        assertTrue("Expected at least 2 versions (original + 2 updates)", versions.items().length >= 2);
+        assertTrue("Expected at least 2 versions (original + 1 update)", versions.items().length >= 2);
 
         Message latestVersion = versions.items()[versions.items().length - 1];
         assertEquals("Expected latest version to have second update data", "Update", latestVersion.data);