Add ignore_throttled to query_params for search (#928)

Author: andresp99999

elasticsearch/client/__init__.py

@@ -678,6 +678,7 @@ def update(self, index, id, doc_type="_doc", body=None, params=None):
         "expand_wildcards",
         "explain",
         "from_",
+        "ignore_throttled",
         "ignore_unavailable",
         "lenient",
         "max_concurrent_shard_requests",