Add 3.0.0.0-alpha1 release notes in common utils (#800)

Signed-off-by: Peter Zhu <[email protected]>

Author: peterzhuamazon

release-notes/opensearch-common-utils.release-notes-3.0.0.0-alpha1.md

@@ -0,0 +1,13 @@
+## Version 3.0.0.0-alpha1 2025-03-18
+
+Compatible with OpenSearch 3.0.0-alpha1
+
+### Features
+Adding replication (CCR) plugin interface and classes to common-utils ([#667](https://github.com/opensearch-project/common-utils/pull/667))
+
+### Maintenance
+Update common-utils shadow plugin repo and bump to 3.0.0.0-alpha1 ([#775](https://github.com/opensearch-project/common-utils/pull/775))
+
+### Bug Fixes
+Fix imports related to split package of org.opensearch.transport ([#790](https://github.com/opensearch-project/common-utils/pull/790))
+