Add 1.3.12 to version history (#4740)

Signed-off-by: Fanit Kolchina <[email protected]>

version-history.md

@@ -24,6 +24,7 @@ OpenSearch version | Release highlights | Release date
 [2.0.1](https://github.com/opensearch-project/opensearch-build/blob/main/release-notes/opensearch-release-notes-2.0.1.md) | Includes bug fixes and maintenance updates for Alerting and Anomaly Detection. | 16 June 2022
 [2.0.0](https://github.com/opensearch-project/opensearch-build/blob/main/release-notes/opensearch-release-notes-2.0.0.md) | Includes document-level monitors for alerting, OpenSearch Notifications plugins, and Geo Map Tiles in OpenSearch Dashboards. Also adds support for Lucene 9 and bug fixes for all OpenSearch plugins. For a full list of release highlights, see the Release Notes. | 26 May 2022
 [2.0.0-rc1](https://github.com/opensearch-project/opensearch-build/blob/main/release-notes/opensearch-release-notes-2.0.0-rc1.md) | The Release Candidate for 2.0.0. This version allows you to preview the upcoming 2.0.0 release before the GA release. The preview release adds document-level alerting, support for Lucene 9, and the ability to use term lookup queries in document level security. | 03 May 2022
+[1.3.12](https://github.com/opensearch-project/opensearch-build/blob/main/release-notes/opensearch-release-notes-1.3.12.md) | Adds maintenance updates for OpenSearch security and OpenSearch Dashboards observability. Includes bug fixes for observability, OpenSearch Dashboards visualizations, and OpenSearch security. | 10 August 2023
 [1.3.11](https://github.com/opensearch-project/opensearch-build/blob/main/release-notes/opensearch-release-notes-1.3.11.md) | Adds maintenance updates for OpenSearch security, OpenSearch Dashboards security, and ML Commons. | 29 June 2023
 [1.3.10](https://github.com/opensearch-project/opensearch-build/blob/main/release-notes/opensearch-release-notes-1.3.10.md) | Adds infrastructure enhancements and maintenance updates for anomaly detection, observability, and security. Includes bug fixes for index management and OpenSearch security. | 18 May 2023
 [1.3.9](https://github.com/opensearch-project/opensearch-build/blob/main/release-notes/opensearch-release-notes-1.3.9.md) | Adds Debian support. Includes upgrades, enhancements, and maintenance updates for OpenSearch core, k-NN, and OpenSearch security. | 16 March 2023