added release notes for 3.0 (#1523)

* added release notes for 3.0

Signed-off-by: Riya Saxena <riysaxen@amazon.com>

* added release notes for 3.0

Signed-off-by: Riya Saxena <riysaxen@amazon.com>

* Update opensearch-security-analytics.release-notes-3.0.0.0.md

Signed-off-by: Peter Zhu <zhujiaxi@amazon.com>

---------

Signed-off-by: Riya Saxena <riysaxen@amazon.com>
Signed-off-by: Peter Zhu <zhujiaxi@amazon.com>
Co-authored-by: Peter Zhu <zhujiaxi@amazon.com>

Author: riysaxen-amzn

release-notes/opensearch-security-analytics.release-notes-3.0.0.0.md

@@ -0,0 +1,25 @@
+## Version 3.0.0.0 2025-05-01
+
+Compatible with OpenSearch 3.0.0
+
+### Maintenance
+* Increment version to 3.1.0-SNAPSHOT ([#1517](https://github.com/opensearch-project/security-analytics/pull/1517))
+* Remove beta1 qualifier ([#1519](https://github.com/opensearch-project/security-analytics/pull/1519))
+* Using java-agent gradle plugin to phase off Security Manager in favor of Java-agent. ([#1505](https://github.com/opensearch-project/security-analytics/pull/1505))
+* Fix build due to phasing off SecurityManager usage in favor of Java Agent ([#1504](https://github.com/opensearch-project/security-analytics/pull/1504))
+* [Release 3.0] Add alpha1 qualifier. ([#1490](https://github.com/opensearch-project/security-analytics/pull/1490))
+* Updated commons jar with CVE fixes. ([#1481](https://github.com/opensearch-project/security-analytics/pull/1481))
+* Update gradle 8.10.2 and support jdk23 ([#1492](https://github.com/opensearch-project/security-analytics/pull/1492))
+* Fix security-enabled test workflow for 3.0-alpha1. ([#1494](https://github.com/opensearch-project/security-analytics/pull/1494/))
+* Update version qualifier to beta1. ([#1500](https://github.com/opensearch-project/security-analytics/pull/1500))
+
+### Features
+* Adds support for uploading threat intelligence in Custom Format ([#1493](https://github.com/opensearch-project/security-analytics/pull/1493))
+
+### Bug Fixes
+* Remove usage of deprecated batchSize() method ([#1503](https://github.com/opensearch-project/security-analytics/pull/1503))
+* Refactored flaky test. ([#1467](https://github.com/opensearch-project/security-analytics/pull/1467))
+* Remove overrides of preserveIndicesUponCompletion ([#1498](https://github.com/opensearch-project/security-analytics/pull/1498))
+
+### Documentation
+* Added 3.0.0 release notes. ([#1523](https://github.com/opensearch-project/security-analytics/pull/1523))