Release 2.16.0 release notes (#655) (#657)

(cherry picked from commit de0eb3b)

Signed-off-by: Prudhvi Godithi <[email protected]>
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: opensearch-trigger-bot[bot]

release-notes/opensearch-job-scheduler.release-notes-2.15.0.0.md

@@ -1,6 +1,6 @@
-## Version 2.14.0.0
+## Version 2.15.0.0
 
-Compatible with OpenSearch 2.14.0
+Compatible with OpenSearch 2.15.0
 
 ### Maintenance
 * Increment version to 2.15.0 ([#626](https://github.com/opensearch-project/job-scheduler/pull/626)).

release-notes/opensearch-job-scheduler.release-notes-2.16.0.0.md

@@ -0,0 +1,12 @@
+## Version 2.16.0.0
+
+Compatible with OpenSearch 2.16.0
+
+### Maintenance
+* Increment version to 2.16.0 ([#638](https://github.com/opensearch-project/job-scheduler/pull/638)).
+
+### Infrastructure
+* Fix checkout action failure [(#650)](https://github.com/opensearch-project/job-scheduler/pull/650) [(#651)](https://github.com/opensearch-project/job-scheduler/pull/651).
+
+### Enhancements
+* Wrap interactions with `.opendistro-job-scheduler-lock` in `ThreadContext.stashContext` to ensure JS can read and write to the index [(#347)](https://github.com/opensearch-project/job-scheduler/pull/347) [(#647)](https://github.com/opensearch-project/job-scheduler/pull/647).