test: Disable flaky KafkaReplicationIntegrationTest (a2aproject#346)

a2aproject#345 is to enable it again

Author: kabir

extras/queue-manager-replicated/tests/src/test/java/io/a2a/extras/queuemanager/replicated/tests/KafkaReplicationIntegrationTest.java

@@ -41,13 +41,15 @@
 import org.eclipse.microprofile.reactive.messaging.Channel;
 import org.eclipse.microprofile.reactive.messaging.Emitter;
 import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 
 /**
  * Integration test for Kafka replication functionality.
  * Tests the full A2A message flow with Kafka replication verification.
  */
 @QuarkusTest
+@Disabled
 public class KafkaReplicationIntegrationTest {
 
     @Inject