Updates release notes

Signed-off-by: Darshit Chanpura <dchanp@amazon.com>

Author: DarshitChanpura

release-notes/opensearch-security-dashboards-plugin.release-notes-2.19.4.0.md

@@ -4,6 +4,7 @@ Compatible with OpenSearch and OpenSearch Dashboards version 2.19.4
 
 ### Maintenance
 * Forcibly resolve a few dependencies to resolve CVEs ([#2332](https://github.com/opensearch-project/security-dashboards-plugin/pull/2332))
+* Bumps cypress to 13.6.0 ([#2335](https://github.com/opensearch-project/security-dashboards-plugin/pull/2335))
 
 ### Infrastructure
 * Specify cypress version in run-cypress-tests action to v13 for node compatibility ([#2314](https://github.com/opensearch-project/security-dashboards-plugin/pull/2314))