community: refactor opensearch query constructor to use wildcard instead of match in the contain comparator

libs/community/langchain_community/query_constructors/opensearch.py

@@ -36,7 +36,7 @@ def _format_func(self, func: Union[Operator, Comparator]) -> str:
             Comparator.LTE: "lte",
             Comparator.GT: "gt",
             Comparator.GTE: "gte",
-            Comparator.CONTAIN: "match",
+            Comparator.CONTAIN: "wildcard",
             Comparator.LIKE: "fuzzy",
             Operator.AND: "must",
             Operator.OR: "should",