Compatible with OpenSearch 2.9.0.

### Enhancements

* Enforce DOCUMENT Replication for AD Indices and Adjust Primary Shards ([#948](https://github.com/opensearch-project/anomaly-detection/pull/948))

### Infrastructure

* Updated Maintainers and CODE_OWNERS list ([#926](https://github.com/opensearch-project/anomaly-detection/pull/926))
* Bump guava version to 32.0.1 ([#933](https://github.com/opensearch-project/anomaly-detection/pull/933))
* Bump scipy from 1.8.0 to 1.10.0 in /dataGeneration ([#943](https://github.com/opensearch-project/anomaly-detection/pull/943))
* Fix main build - update import of Releasable and remove reference to BaseExceptionsHelper ([#930](https://github.com/opensearch-project/anomaly-detection/pull/930))

### Documentation

* Updated Maintainers and CODE_OWNERS list ([#926](https://github.com/opensearch-project/anomaly-detection/pull/926))