Update "Try it now" section to point to pre-release download

Agent-Logs-Url: https://github.com/BornToBeRoot/NETworkManager/sessions/0743a88b-975a-4dc4-8b30-d0a94c2c8a26

Co-authored-by: BornToBeRoot <16019165+BornToBeRoot@users.noreply.github.com>

Author: Copilot

Website/blog/2026-04-27-introducing-firewall/index.md

@@ -60,6 +60,6 @@ If NETworkManager is not running as administrator, the Firewall view is **read-o
 
 ## Try it now
 
-Upgrade now to the [latest version of NETworkManager](https://borntoberoot.net/NETworkManager/download) to use the new Firewall feature.
+You can test this feature in the [latest pre-release of NETworkManager](https://borntoberoot.net/NETworkManager/download#pre-release).
 
 If you find any issues or have suggestions for improvement, please open an [issue on GitHub](https://github.com/BornToBeRoot/NETworkManager/issues).