Increment version to 3.0.0.0-beta1 (#1444)

* Increment version to 3.0.0.0-beta1

Signed-off-by: Junwei Dai <junweid@amazon.com>

* add release note

Signed-off-by: Junwei Dai <junweid@amazon.com>

---------

Signed-off-by: Junwei Dai <junweid@amazon.com>
Co-authored-by: Junwei Dai <junweid@amazon.com>

Author: junweid62

CHANGELOG.md

@@ -12,6 +12,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.1.0/)
 - Adding dual cluster arg to gradle run ([#1441](https://github.com/opensearch-project/anomaly-detection/pull/1441))
 ### Documentation
 ### Maintenance
+- Increment version to 3.0.0.0-beta1 ([#1444](https://github.com/opensearch-project/anomaly-detection/pull/1444))
 ### Refactoring
 
 ## [Unreleased 2.x](https://github.com/opensearch-project/anomaly-detection/compare/2.19...2.x)

build.gradle

@@ -37,8 +37,8 @@ buildscript {
     ext {
         opensearch_group = "org.opensearch"
         isSnapshot = "true" == System.getProperty("build.snapshot", "true")
-        opensearch_version = System.getProperty("opensearch.version", "3.0.0-alpha1-SNAPSHOT")
-        buildVersionQualifier = System.getProperty("build.version_qualifier", "alpha1")
+        opensearch_version = System.getProperty("opensearch.version", "3.0.0-beta1-SNAPSHOT")
+        buildVersionQualifier = System.getProperty("build.version_qualifier", "beta1")
         // 3.0.0-SNAPSHOT -> 3.0.0.0-SNAPSHOT
         version_tokens = opensearch_version.tokenize('-')
         opensearch_build = version_tokens[0] + '.0'