Add 2.19.2 to version history (#9767)

Signed-off-by: Fanit Kolchina <[email protected]>
(cherry picked from commit be19625)
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: github-actions[bot]

_about/version-history.md

@@ -10,6 +10,7 @@ canonical_url: https://opensearch.org/docs/latest/version-history/
 
 OpenSearch version | Release highlights | Release date  
 :--- | :--- | :--- 
+[2.19.2](https://github.com/opensearch-project/opensearch-build/blob/main/release-notes/opensearch-release-notes-2.19.2.md) |  Improves query insights with better index handling, a new verbose API parameter, and a default index template. Fixes bugs across Query Insights, Observability, Flow Framework, and Dashboards. Includes multiple CVE fixes, test enhancements, and a new PGP key for artifact verification. For a full list of release highlights, see the Release Notes. | 29 April 2025
 [2.19.1](https://github.com/opensearch-project/opensearch-build/blob/main/release-notes/opensearch-release-notes-2.19.1.md) |  Adds execution hint for cardinality aggregator. Includes bug fixes for ML Commons, Query Insights Dashboards, and Remote Metadata SDK. Contains maintenance updates for several components. For a full list of release highlights, see the Release Notes. | 27 February 2025
 [2.19.0](https://github.com/opensearch-project/opensearch-build/blob/main/release-notes/opensearch-release-notes-2.19.0.md) | Adds workload management, additional query insights, and template queries. Introduces a query insights page to OpenSearch Dashboards. Includes improvements and bug fixes to snapshots, search statistics, star-tree search, and index management. For a full list of release highlights, see the Release Notes. | 11 February 2025
 [2.18.0](https://github.com/opensearch-project/opensearch-build/blob/main/release-notes/opensearch-release-notes-2.18.0.md) | Adds a redesigned home page, updated Discover interface, and collaborative workspaces to OpenSearch Dashboards. Includes improvements to ML inference processor and query grouping. Introduces reranking by field and paginated CAT APIs. Includes experimental OpenSearch Dashboards Assistant capabilities. For a full list of release highlights, see the Release Notes. | 05 November 2024