Mute PermissionsIT#testWhen[...]ByILMPolicy (#41858)

Relates #41440

x-pack/plugin/ilm/qa/with-security/src/test/java/org/elasticsearch/xpack/security/PermissionsIT.java

@@ -137,6 +137,7 @@ public class PermissionsIT extends ESRestTestCase {
      * Tests when the user is limited by alias of an index is able to write to index
      * which was rolled over by an ILM policy.
      */
+    @AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/41440")
     public void testWhenUserLimitedByOnlyAliasOfIndexCanWriteToIndexWhichWasRolledoverByILMPolicy()
             throws IOException, InterruptedException {
         /*