Update mattermost-changelog.md

source/deploy/mattermost-changelog.md

@@ -119,7 +119,7 @@ See [this walkthrough video](https://www.youtube.com/watch?v=eXA8emM97Bo) on som
 
 ## Release v9.2 - [Feature Release](https://docs.mattermost.com/upgrade/release-definitions.html#feature-release)
 
-- **9.2.4, released **
+- **9.2.4, released 2024-01-09**
   - Mattermost v9.2.4 contains medium severity level security fixes. [Upgrading](https://docs.mattermost.com/upgrade/upgrading-mattermost-server.html) to this release is recommended. Details will be posted on our [security updates page](https://mattermost.com/security-updates/) 30 days after release as per the [Mattermost Responsible Disclosure Policy](https://mattermost.com/security-vulnerability-report/).
   - Mattermost v9.2.4 contains the following functional changes:
      - Fixed an issue where invalid reactions could be added to posts. Added default limit of the number of reactions per post.