Mute MigrationIT.testGetDeprecationInfo (#85813)

Relates #85743

Author: tlrx

client/rest-high-level/src/test/java/org/elasticsearch/client/MigrationIT.java

@@ -28,6 +28,7 @@
 
 public class MigrationIT extends ESRestHighLevelClientTestCase {
 
+    @AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/85743")
     public void testGetDeprecationInfo() throws IOException {
         createIndex("test", Settings.EMPTY);
         DeprecationInfoRequest request = new DeprecationInfoRequest(Collections.singletonList("test"));