Added 2.11.1 release notes. (#1306)

* Added 2.11.1 release notes.

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

* Added 2.11.1 release notes.

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

---------

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

Author: AWSHurneyt

release-notes/opensearch-alerting.release-notes-2.11.1.0.md

@@ -0,0 +1,15 @@
+## Version 2.11.1.0 2023-11-21
+Compatible with OpenSearch 2.11.1
+
+### Maintenance
+* Increment version to 2.11.1-SNAPSHOT. ([#1274](https://github.com/opensearch-project/alerting/pull/1274))
+
+### Bug Fixes
+* Fix for ConcurrentModificationException with linkedHashmap. ([#1255](https://github.com/opensearch-project/alerting/pull/1255))
+
+### Refactoring
+* Handle Doc level query 'fields' param for query string query. ([#1240](https://github.com/opensearch-project/alerting/pull/1240))
+* Add nested fields param mapping findings index for doc level queries. ([#1276](https://github.com/opensearch-project/alerting/pull/1276))
+
+### Documentation
+* Added 2.11.1 release notes. ([#1306](https://github.com/opensearch-project/alerting/pull/1306))