[TEST] Mute DeleteByQueryConcurrentTests.testConcurrentDeleteByQueriesOnDifferentDocs

Due to https://github.com/elastic/elasticsearch/issues/62609

modules/reindex/src/test/java/org/elasticsearch/index/reindex/DeleteByQueryConcurrentTests.java

@@ -35,6 +35,7 @@ import static org.hamcrest.Matchers.equalTo;
 
 public class DeleteByQueryConcurrentTests extends ReindexTestCase {
 
+    @AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/62609")
     public void testConcurrentDeleteByQueriesOnDifferentDocs() throws Throwable {
         final Thread[] threads =  new Thread[scaledRandomIntBetween(2, 5)];
         final long docs = randomIntBetween(1, 50);