updating release note for 2.12.0 (#2108) (#2112)

* updating release note for 2.12.0

Signed-off-by: Dhrubo Saha <[email protected]>

* adding another PR to the release note

Signed-off-by: Dhrubo Saha <[email protected]>

---------

Signed-off-by: Dhrubo Saha <[email protected]>
(cherry picked from commit 024408c)

Co-authored-by: Dhrubo Saha <[email protected]>

Author: opensearch-trigger-bot[bot]

release-notes/opensearch-ml-common.release-notes-2.12.0.0.md

@@ -18,6 +18,7 @@ Compatible with OpenSearch 2.12.0
 * Update dependency com.jayway.jsonpath:json-path to v2.9.0 (#1956)
 * Update http package import for 2.x (#1957)
 * Update the lucene snapshot url (#2082)
+* removing skills first (#2089)
 
 ### Infrastructure
 * Onboarding Jenkins prod docker images to github ci check (#1566)
@@ -122,6 +123,7 @@ Compatible with OpenSearch 2.12.0
 * Update IndexMappingTool Description (#1998)
 * Add more user based permission check in Memory (#1935)
 * Update memory index name and add updated_time (#1793)
+* fine tune prompt;refactor conversational agent code (#2094)
 
 ### Feature
 * Add cross encoder support (#1739)