doc(explorer): Add changelog entry.

Add information for next explorer release v3.9.2

CHANGELOG.md

@@ -7,6 +7,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [3.9.2] - 2025-01-22
+
+-   Bump the minimum version of the runtime engine to nodeJS v22.
+-   Upgrade wallet core and modules to its latest versions.
+
 ## [3.9.1] - 2025-01-08
 
 -   Increased only the execution duration for the function that handles the update of ENS entries marked as stale.
@@ -400,7 +405,8 @@ Staking Pools
 
 -   First release
 
-[unreleased]: https://github.com/cartesi/explorer/compare/v3.9.1...HEAD
+[unreleased]: https://github.com/cartesi/explorer/compare/v3.9.2...HEAD
+[3.9.2]: https://github.com/cartesi/explorer/compare/v3.9.2...v3.9.1
 [3.9.1]: https://github.com/cartesi/explorer/compare/v3.9.1...v3.9.0
 [3.9.0]: https://github.com/cartesi/explorer/compare/v3.9.0...v3.8.6
 [3.8.6]: https://github.com/cartesi/explorer/compare/v3.8.6...v3.8.5