Going from alpha1 to beta1 for 3.0 release (opensearch-project#1245)

Signed-off-by: yeonghyeonKo <[email protected]>

Author: martin-gaievski

CHANGELOG.md

@@ -24,6 +24,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Return bad request for stats API calls with invalid stat names instead of ignoring them ([#1291](https://github.com/opensearch-project/neural-search/pull/1291))
 - Add validation for invalid nested hybrid query ([#1305](https://github.com/opensearch-project/neural-search/pull/1305))
 ### Infrastructure
+- [3.0] Update neural-search for OpenSearch 3.0 beta compatibility ([#1245](https://github.com/opensearch-project/neural-search/pull/1245))
 
 ### Documentation