Mute org.elasticsearch.xpack.restart.FullClusterRestartIT testSlmPolicyAndStats {cluster=UPGRADED} elastic#119393

Author: elasticsearchmachine

muted-tests.yml

@@ -469,3 +469,6 @@ tests:
 - class: org.elasticsearch.xpack.ml.integration.MlJobIT
   method: testGetJob_GivenJobExists
   issue: https://github.com/elastic/elasticsearch/issues/119811
+- class: org.elasticsearch.xpack.restart.FullClusterRestartIT
+  method: testSlmPolicyAndStats {cluster=UPGRADED}
+  issue: https://github.com/elastic/elasticsearch/issues/119393