Mute ReactiveStorageIT#testScaleWhileShrinking (#89499)

Relates #88842

x-pack/plugin/autoscaling/src/internalClusterTest/java/org/elasticsearch/xpack/autoscaling/storage/ReactiveStorageIT.java

@@ -230,6 +230,7 @@ public class ReactiveStorageIT extends AutoscalingStorageIntegTestCase {
         );
     }
 
+    @AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/88842")
     public void testScaleWhileShrinking() throws Exception {
         internalCluster().startMasterOnlyNode();
         final String dataNode1Name = internalCluster().startDataOnlyNode();