(opensearch) Update advanced parameters (#1368)

Co-authored-by: GitHub <noreply@github.com>

Author: github-actions[bot]

static/includes/config-opensearch.md

@@ -220,6 +220,8 @@ import Link from '@docusaurus/Link'
           <tr><td><div className="param"><p className="name"><Link id="opensearch_dashboards_max_old_space_size"/><Link to="#opensearch_dashboards_max_old_space_size"><strong>opensearch_dashboards.max_old_space_size</strong></Link></p><p><code className="type">integer</code></p></div><div className="constraints"><ul><li>min: <code>64</code></li><li>max: <code>4096</code></li><li>default: <code>128</code></li></ul></div><div className="description"><p>Limits the maximum amount of memory (in MiB) the OpenSearch Dashboards process can use. This sets the max_old_space_size option of the nodejs running the OpenSearch Dashboards. Note: the memory reserved by OpenSearch Dashboards is not available for OpenSearch.</p></div></td></tr>
           <tr><td><div className="param"><p className="name"><Link id="opensearch_dashboards_opensearch_request_timeout"/><Link to="#opensearch_dashboards_opensearch_request_timeout"><strong>opensearch_dashboards.opensearch_request_timeout</strong></Link></p><p><code className="type">integer</code></p></div><div className="constraints"><ul><li>min: <code>5000</code></li><li>max: <code>120000</code></li><li>default: <code>30000</code></li></ul></div><p className="title">Timeout in milliseconds for requests made by OpenSearch Dashboards towards OpenSearch</p></td></tr>
           <tr><td><div className="param"><p className="name"><Link id="opensearch_dashboards_multiple_data_source_enabled"/><Link to="#opensearch_dashboards_multiple_data_source_enabled"><strong>opensearch_dashboards.multiple_data_source_enabled</strong></Link></p><p><code className="type">boolean</code></p></div><div className="constraints"><ul><li>default: <code>true</code></li></ul></div><p className="title">Enable or disable multiple data sources in OpenSearch Dashboards</p></td></tr>
+          <tr><td><div className="param"><p className="name"><Link id="opensearch_dashboards_session_keepalive"/><Link to="#opensearch_dashboards_session_keepalive"><strong>opensearch_dashboards.session_keepalive</strong></Link></p><p><code className="type">boolean</code></p></div><div className="constraints"><ul><li>default: <code>true</code></li></ul></div><p className="title">Determines whether the session TTL resets (is “kept alive”) on each user activity. Optional. Default is true.</p></td></tr>
+          <tr><td><div className="param"><p className="name"><Link id="opensearch_dashboards_session_ttl"/><Link to="#opensearch_dashboards_session_ttl"><strong>opensearch_dashboards.session_ttl</strong></Link></p><p><code className="type">string</code></p></div><div className="constraints"><ul><li>default: <code>1h</code></li></ul></div><p className="title">session_ttl</p><div className="description"><p>Defines the time-to-live (TTL) for user sessions. The value should be a time value with unit, e.g. 1m, 5s, 1h, 3d, 100ms. Default is 1 hour.</p></div></td></tr>
           </tbody>
         </table>
       </td>