[release/v1.1] Correct typo for data stream field (#1156)

Co-authored-by: Khoi Nguyen <[email protected]>

docs/sources/reference/components/prometheus.exporter.elasticsearch.md

@@ -48,7 +48,7 @@ Omitted fields take their default values.
 | `client_cert`          | `string`   | Path to PEM file that contains the corresponding cert for the private key to connect to Elasticsearch. |                           | no       |
 | `ssl_skip_verify`      | `bool`     | Skip SSL verification when connecting to Elasticsearch.                                                |                           | no       |
 | `aliases`              | `bool`     | Include informational aliases metrics.                                                                 |                           | no       |
-| `data_streams`         | `bool`     | Export stats for Data Streams.                                                                         |                           | no       |
+| `data_stream`         | `bool`     | Export stats for Data Streams.                                                                         |                           | no       |
 | `slm`                  | `bool`     | Export stats for SLM (Snapshot Lifecycle Management).                                                  |                           | no       |
 
 ## Blocks