Add 2.11 to version history (#5208)

* Add 2.11 to version history

Signed-off-by: Fanit Kolchina <kolchfa@amazon.com>

* Fix typo

Signed-off-by: Fanit Kolchina <kolchfa@amazon.com>

---------

Signed-off-by: Fanit Kolchina <kolchfa@amazon.com>
(cherry picked from commit 15ca81e)
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

version-history.md

@@ -10,6 +10,7 @@ permalink: /version-history/
 
 OpenSearch version | Release highlights | Release date  
 :--- | :--- | :--- 
+[2.11.0](https://github.com/opensearch-project/opensearch-build/blob/main/release-notes/opensearch-release-notes-2.11.0.md) |  Adds multimodal and sparse neural search capability and the ability to take shallow snapshots that refer to data stored in remote-backed storage. Makes the search comparison tool generally available. Includes a simplified workflow to create threat detectors in Security Analytics and improved security in OpenSearch Dashboards. Experimental features include a new framework and toolset for distributed tracing and updates to conversational search. For a full list of release highlights, see the Release Notes. | 16 October 2023
 [2.10.0](https://github.com/opensearch-project/opensearch-build/blob/main/release-notes/opensearch-release-notes-2.10.0.md) |  Makes remote-backed storage generally available. Adds hybrid search capability, custom log types for Security Analytics, IP2Geo ingest processor, and delimited term frequency token filter. Includes a new look and feel for OpenSearch Dashboards and updates the Discover tool. Adds Microsoft Teams webhook support for notifications. Experimental features include concurrent segment search and conversational search. For a full list of release highlights, see the Release Notes. | 25 September 2023
 [2.9.0](https://github.com/opensearch-project/opensearch-build/blob/main/release-notes/opensearch-release-notes-2.9.0.md) | Makes search pipelines and the Neural Search plugin generally available. Adds ML model access control and integration with external ML tools. Implements k-NN byte vectors and efficient filtering with the Faiss engine. Integrates alerting and anomaly detection with OpenSearch Dashboards and adds composite monitors. Adds two new index codec algorithm options. Includes a new ingestion schema for Security Analytics, geoshape aggregations, and extensions---a new mechanism for extending OpenSearch functionality. For a full list of release highlights, see the Release Notes. | 24 July 2023
 [2.8.0](https://github.com/opensearch-project/opensearch-build/blob/main/release-notes/opensearch-release-notes-2.8.0.md) | Adds cross-cluster query with PPL, search pipelines, an option to turn on segment replication as the default replication type, improved searchable snapshot performance, and Amazon OpenSearch Serverless support with SigV4 authentication for multiple data sources. Includes the UI for the flush, refresh, and clear cache operations in OpenSearch Dashboards. For a full list of release highlights, see the Release Notes. | 06 June 2023