2.8 release notes (#506)

Signed-off-by: Eric Wei <[email protected]>
(cherry picked from commit ee5429d)

release-notes/opensearch-observability.release-notes-2.8.0.0.md

@@ -0,0 +1,13 @@
+## Version 2.8.0.0 Release Notes
+
+Compatible with OpenSearch and OpenSearch Dashboards Version 2.8.0
+
+### Features
+
+- Add reporting on-demand menu items back in notebooks ([#500](https://github.com/opensearch-project/dashboards-observability/pull/500))
+- Updating trace DSL request handler ([#496](https://github.com/opensearch-project/dashboards-observability/pull/496))
+
+### Bug Fixes
+
+- Remove styling causing issue for banner in advanced settings ([#502](https://github.com/opensearch-project/dashboards-observability/pull/502))
+- Add Metrics cypress and bug fixes ([#505](https://github.com/opensearch-project/dashboards-observability/pull/505))