Mute org.elasticsearch.xpack.esql.action.CrossClusterAsyncQueryStopIT testStopQueryLocal elastic#121672

Author: elasticsearchmachine

muted-tests.yml

@@ -476,3 +476,6 @@ tests:
 - class: org.elasticsearch.xpack.esql.action.CrossClusterQueryWithPartialResultsIT
   method: testOneRemoteClusterPartial
   issue: https://github.com/elastic/elasticsearch/issues/124055
+- class: org.elasticsearch.xpack.esql.action.CrossClusterAsyncQueryStopIT
+  method: testStopQueryLocal
+  issue: https://github.com/elastic/elasticsearch/issues/121672