fix String.format lack of arg which is from BroadcastClusterInvoker link #8341 (#8348)

Author: xiaoheng1

dubbo-cluster/src/main/java/org/apache/dubbo/rpc/cluster/support/BroadcastClusterInvoker.java

@@ -96,7 +96,7 @@ public Result doInvoke(final Invocation invocation, List<Invoker<T>> invokers, L
                         String.format("The number of BroadcastCluster call failures has reached the threshold %s", failThresholdIndex));
             } else {
                 logger.debug(String.format("The number of BroadcastCluster call failures has not reached the threshold %s, fail size is %s",
-                        failIndex));
+                        failThresholdIndex, failIndex));
             }
             throw exception;
         }