add rc1 release notes to GA release (opensearch-project#118)

Signed-off-by: Yaliang Wu <[email protected]>

Co-authored-by: Yaliang Wu <[email protected]>

release-notes/opensearch-anomaly-detection.release-notes-1.0.0.0.md

@@ -4,9 +4,18 @@ Compatible with OpenSearch 1.0.0
 
 ### Infrastructure
 
+* Update dependencies for opensearch ([#56](https://github.com/opensearch-project/anomaly-detection/pull/56))
+* Update the AD version from beta1 to rc1. ([#62](https://github.com/opensearch-project/anomaly-detection/pull/62))
 * Add broken link check workflow ([#103](https://github.com/opensearch-project/anomaly-detection/pull/103))
 * Bump plugin version to 1.0.0.0 ([#110](https://github.com/opensearch-project/anomaly-detection/pull/110))
 
+### Maintenance
+
+* Renaming RestAPIs while supporting backwards compatibility. ([#35](https://github.com/opensearch-project/anomaly-detection/pull/35))
+* Rename namespaces from opendistro to opensearch. ([#43](https://github.com/opensearch-project/anomaly-detection/pull/43))
+* update the AD settings for opensearch. ([#47](https://github.com/opensearch-project/anomaly-detection/pull/47))
+* Update several minor things from opendistro to opensearch ([#57](https://github.com/opensearch-project/anomaly-detection/pull/57))
+
 ### Documentation
 
 * Update and add documentation files ([#105](https://github.com/opensearch-project/anomaly-detection/pull/105))