[#3034] fix(client): use %n format (#3183)

### What changes were proposed in this pull request?
String.format() change \n to %n

### Why are the changes needed?

Fix: #3034 

### Does this PR introduce _any_ user-facing change?
no
### How was this patch tested?
no

Co-authored-by: 韩望欣 <[email protected]>

clients/client-java/src/main/java/com/datastrato/gravitino/client/ErrorHandlers.java

@@ -193,7 +193,7 @@ private static String formatErrorMessage(ErrorResponse errorResponse) {
     if (stack.isEmpty()) {
       return message;
     } else {
-      return String.format("%s\n%s", message, stack);
+      return String.format("%s%n%s", message, stack);
     }
   }