Added Release Notes for v3.0.0-alpha1 (#1393)

* Added Release Notes for v3.0.0-alpha1

Signed-off-by: Vaibhav Agarwal <[email protected]>

* Update release-notes/opensearch-index-management.release-notes-3.0.0.0-alpha1.md

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

---------

Signed-off-by: Vaibhav Agarwal <[email protected]>
Signed-off-by: Peter Zhu <[email protected]>
Co-authored-by: Peter Zhu <[email protected]>

Author: vaibhoag

release-notes/opensearch-index-management.release-notes-3.0.0.0-alpha1.md

@@ -0,0 +1,16 @@
+## Version 3.0.0.0-alpha1 2025-03-13
+
+Compatible with OpenSearch 3.0.0-alpha1
+
+### Features
+* Adding unfollow action in ism to invoke stop replication for ccr ([#1198](https://github.com/opensearch-project/index-management/pull/1198))
+
+### Bug Fixes
+* Target Index Settings if create index during rollup ([#1377](https://github.com/opensearch-project/index-management/pull/1377))
+* Fixed CVE upgrade logback-core to 1.5.13 ([#1388](https://github.com/opensearch-project/index-management/pull/1388))
+
+### Maintenance
+* dependabot: bump com.netflix.nebula.ospackage from 11.10.1 to 11.11.1 ([#1374](https://github.com/opensearch-project/index-management/pull/1374))
+* dependabot: bump commons-beanutils:commons-beanutils ([#1375](https://github.com/opensearch-project/index-management/pull/1375))
+* dependabot: bump io.gitlab.arturbosch.detekt:detekt-gradle-plugin ([#1381](https://github.com/opensearch-project/index-management/pull/1381))
+* [Release 3.0.0] Bump Version to 3.0.0-alpha1 and updated shadowPlugin ([#1384](https://github.com/opensearch-project/index-management/pull/1384))