change 2.1 version bump PR under maintenance (#841)

* change version bump to maintenance

Signed-off-by: Kavitha Conjeevaram Mohan <mohakavi@amazon.com>

* change version bump to maintenance

Signed-off-by: Kavitha Conjeevaram Mohan <mohakavi@amazon.com>
(cherry picked from commit 4bebc60)

release-notes/opensearch-observability.release-notes-2.1.0.0.md

@@ -5,10 +5,11 @@ Compatible with OpenSearch and OpenSearch Dashboards Version 2.1.0
 * Add availability help flyout ([#734](https://github.com/opensearch-project/observability/pull/734))
 
 ### Infrastructure
-* bump version to 2.1.0 and gradle version to 7.4.2 ([#817](https://github.com/opensearch-project/observability/pull/817))
 * Uses custom plugin to publish zips to maven ([#786](https://github.com/opensearch-project/observability/pull/786))
 
 ### Refactoring
 * Make common delete modal for components ([#766](https://github.com/opensearch-project/observability/pull/766))
 * Sync app and app list types ([#763](https://github.com/opensearch-project/observability/pull/763))
 
+### Maintenance
+* Bump version to 2.1.0 and gradle version to 7.4.2 ([#817](https://github.com/opensearch-project/observability/pull/817))