Reduce number of queues in topology recovery retry test

To mitigate test failure in CI environment.

(cherry picked from commit d20e9a0)

Author: acogoluegnes

src/test/java/com/rabbitmq/client/test/functional/TopologyRecoveryRetry.java

@@ -38,7 +38,7 @@ public class TopologyRecoveryRetry extends BrokerTestCase {
 
     @Test
     public void topologyRecoveryRetry() throws Exception {
-        int nbQueues = 2000;
+        int nbQueues = 200;
         String prefix = "topology-recovery-retry-" + System.currentTimeMillis();
         for (int i = 0; i < nbQueues; i++) {
             String queue = prefix + i;