[AUTO] Add release notes for 3.6.0 (#1984) (#1985)

* Add release notes for 3.6.0



* Add release notes for 3.6.0



---------


(cherry picked from commit 20830e6)

Signed-off-by: opensearch-ci <opensearch-infra@amazon.com>
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: opensearch-trigger-bot[bot]

release-notes/opensearch-observability.release-notes-3.6.0.0.md

@@ -0,0 +1,9 @@
+## Version 3.6.0 Release Notes
+
+Compatible with OpenSearch and OpenSearch Dashboards version 3.6.0
+
+### Maintenance
+
+* Fix CI checks by downloading plugin snapshots for testing from ci.opensearch.org ([#1973](https://github.com/opensearch-project/observability/pull/1973))
+* Replace java.security.AccessController with org.opensearch.secure_sm.AccessController ([#1974](https://github.com/opensearch-project/observability/pull/1974))
+* Bump assertj-core to 3.27.7 ([#1981](https://github.com/opensearch-project/observability/pull/1981))