Update Changelog.md for 4.3.1 release

CHANGELOG.md

@@ -6,6 +6,8 @@ All notable changes to **NCronJob** will be documented in this file. The project
 
 ## [Unreleased]
 
+## [v4.3.1] - 2025-01-23
+
 ### Added
 
 - Allow a cron job to also run at startup. Added in [#171](https://github.com/NCronJob-Dev/NCronJob/issues/171), by [@nulltoken](https://github.com/nulltoken).
@@ -477,7 +479,8 @@ services.AddNCronJob(options =>
 - Parameterized jobs - instant as well as cron jobs!
 - Integrated in ASP.NET - Access your DI container like you would in any other service
 
-[unreleased]: https://github.com/NCronJob-Dev/NCronJob/compare/v4.2.0...HEAD
+[unreleased]: https://github.com/NCronJob-Dev/NCronJob/compare/v4.3.1...HEAD
+[v4.3.1]: https://github.com/NCronJob-Dev/NCronJob/compare/v4.2.0...v4.3.1
 [v4.2.0]: https://github.com/NCronJob-Dev/NCronJob/compare/v4.1.0...v4.2.0
 [v4.1.0]: https://github.com/NCronJob-Dev/NCronJob/compare/v4.0.2...v4.1.0
 [v4.0.2]: https://github.com/NCronJob-Dev/NCronJob/compare/v3.3.8...v4.0.2