mute csv test for scoring in esql for mixed cluster (#117767) (#117774)

(cherry picked from commit 60ce74a)

# Conflicts:
#	muted-tests.yml

Author: tteofili

muted-tests.yml

@@ -400,3 +400,6 @@ tests:
   - class: "org.elasticsearch.xpack.esql.qa.single_node.EsqlSpecIT"
     method: "test {scoring.*}"
     issue: https://github.com/elastic/elasticsearch/issues/117641
+  - class: "org.elasticsearch.xpack.esql.qa.mixed.MixedClusterEsqlSpecIT"
+    method: "test {scoring.*}"
+    issue: https://github.com/elastic/elasticsearch/issues/117641