Add max_docs to UpdateByQuery API (#1470)
Add max_docs to UpdateByQuery API (#1470)

This commit adds the `maxy_docs` parameter to the UpdateByQuery API.

See https://www.elastic.co/guide/en/elasticsearch/reference/current/docs-update-by-query.html#docs-update-by-query-api-query-params

olivere/elastic,olivere/elastic