Added 3.0.0-alpha1 release notes. (#1811)

* Added 3.0.0-alpha1 release notes.

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

* Added 3.0.0-alpha1 release notes.

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

---------

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

Author: AWSHurneyt

release-notes/opensearch-alerting.release-notes-3.0.0.0-alpha1.md

@@ -0,0 +1,11 @@
+## Version 3.0.0.0-alpha1 Release Notes
+
+Compatible with OpenSearch 3.0.0.0-alpha1
+
+### Maintenance
+* Increment version to 3.0.0.0-alpha1 ([#1786](https://github.com/opensearch-project/alerting/pull/1786))
+* CVE fix for ktlint ([#1802](https://github.com/opensearch-project/alerting/pull/1802))
+* Fix security-enabled test configurations for 3.0-alpha1. ([#1807](https://github.com/opensearch-project/alerting/pull/1807))
+
+### Bug fixes
+* Fix bucket selector aggregation writeable name. ([#1780](https://github.com/opensearch-project/alerting/pull/1780))