Mute org.elasticsearch.xpack.esql.ccq.MultiClusterSpecIT test {date.IN operator with null in list, finds match} #120156

Author: elasticsearchmachine

muted-tests.yml

@@ -429,3 +429,6 @@ tests:
 - class: org.elasticsearch.xpack.esql.ccq.MultiClusterSpecIT
   method: test {date.Implicit casting strings to dates for IN operator}
   issue: https://github.com/elastic/elasticsearch/issues/120155
+- class: org.elasticsearch.xpack.esql.ccq.MultiClusterSpecIT
+  method: test {date.IN operator with null in list, finds match}
+  issue: https://github.com/elastic/elasticsearch/issues/120156