Add release notes for 3.6.0 (opensearch-project#1396)

Signed-off-by: opensearch-ci <opensearch-infra@amazon.com>

Author: opensearch-ci-bot

release-notes/opensearch-security-analytics-dashboards-plugin.release-notes-3.6.0.0.md

@@ -0,0 +1,17 @@
+## Version 3.6.0 Release Notes
+
+Compatible with OpenSearch and OpenSearch Dashboards version 3.6.0
+
+### Bug Fixes
+
+* Fix empty severity column in findings table ([#1392](https://github.com/opensearch-project/security-analytics-dashboards-plugin/pull/1392))
+* Fix empty alerts table, detector creation failure propagation, blank details page redirect after successful creation, and silent failures ([#1376](https://github.com/opensearch-project/security-analytics-dashboards-plugin/pull/1376))
+
+### Infrastructure
+
+* Upgrade to React 18 and update unit tests to accommodate the upgrade ([#1376](https://github.com/opensearch-project/security-analytics-dashboards-plugin/pull/1376))
+
+### Maintenance
+
+* Resolve CVE-2026-26996, CVE-2026-2739, and CVE-2025-15284 ([#1389](https://github.com/opensearch-project/security-analytics-dashboards-plugin/pull/1389))
+* Update lodash to 4.18.1 to address CVE-2026-4800 ([#1394](https://github.com/opensearch-project/security-analytics-dashboards-plugin/pull/1394))