Fix: the value of include_defaults is a boolean. (opensearch-project#7657)

* Fix: the value of include_defaults is a boolean.

Signed-off-by: dblock <dblock@amazon.com>

* Apply suggestions from code review

Co-authored-by: kolchfa-aws <105444904+kolchfa-aws@users.noreply.github.com>
Signed-off-by: Naarcha-AWS <97990722+Naarcha-AWS@users.noreply.github.com>

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Signed-off-by: dblock <dblock@amazon.com>
Signed-off-by: Naarcha-AWS <97990722+Naarcha-AWS@users.noreply.github.com>
Co-authored-by: Naarcha-AWS <97990722+Naarcha-AWS@users.noreply.github.com>
Co-authored-by: kolchfa-aws <105444904+kolchfa-aws@users.noreply.github.com>

Author: 3 people

_api-reference/index-apis/get-settings.md

@@ -40,7 +40,7 @@ Parameter | Data type | Description
 allow_no_indices | Boolean | Whether to ignore wildcards that don’t match any indexes. Default is `true`.
 expand_wildcards | String | Expands wildcard expressions to different indexes. Combine multiple values with commas. Available values are `all` (match all indexes), `open` (match open indexes), `closed` (match closed indexes), `hidden` (match hidden indexes), and `none` (do not accept wildcard expressions), which must be used with `open`, `closed`, or both. Default is `open`.
 flat_settings | Boolean | Whether to return settings in the flat form, which can improve readability, especially for heavily nested settings. For example, the flat form of “index”: { “creation_date”: “123456789” } is “index.creation_date”: “123456789”.
-include_defaults | String | Whether to include default settings, including settings used within OpenSearch plugins, in the response. Default is false.
+include_defaults | Boolean | Whether to include default settings, including settings used within OpenSearch plugins, in the response. Default is `false`.
 ignore_unavailable | Boolean | If true, OpenSearch does not include missing or closed indexes in the response.
 local | Boolean | Whether to return information from the local node only instead of the cluster manager node. Default is false.
 cluster_manager_timeout | Time | How long to wait for a connection to the cluster manager node. Default is `30s`.