[Backport main] Update the correct version for the release notes (#328)

* Update the correct version (#326)

Signed-off-by: Zelin Hao <zelinhao@amazon.com>

Signed-off-by: Zelin Hao <zelinhao@amazon.com>
(cherry picked from commit d8d3def)

* Revise the version for the release notes (#329)

Signed-off-by: Zelin Hao <zelinhao@amazon.com>

Signed-off-by: Zelin Hao <zelinhao@amazon.com>

* Add release notes for 2.4 release

Signed-off-by: David Zane <davizane@amazon.com>

---------

Signed-off-by: Zelin Hao <zelinhao@amazon.com>
Signed-off-by: David Zane <davizane@amazon.com>
Co-authored-by: Zelin Hao <87548827+zelinh@users.noreply.github.com>
Co-authored-by: David Zane <davizane@amazon.com>
Co-authored-by: David Z <38449481+dzane17@users.noreply.github.com>

release-notes/opensearch-performance-analyzer.release-notes-2.4.0.0.md

@@ -1,6 +1,6 @@
-## Version 2.3.0 Release Notes
+## Version 2.4.0 Release Notes
 
-Compatible with OpenSearch 2.3.0
+Compatible with OpenSearch 2.4.0
 
 ### Bug fixes
 * Safeguard against appending origin twice ([#285](https://github.com/opensearch-project/performance-analyzer/pull/285))