Issue title: Missing index-setting 'index.cache.query.enable' when updating indexsettings
 Issue body: On the http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/index-modules-shard-query-cache.html its describe the new settings for enable query cache, the settings is missing in the IUpdateSettingsRequest.

 Comments: 
 Comment 0: closed by #1245 
{'source': 'GithubIssues', 'repo_name_with_owner': 'elastic/elasticsearch-net', 'issue_id': 57728229, 'repo_stars': 3336.0}