update changelog

Author: rohenaz

CHANGELOG.md

@@ -4,7 +4,7 @@ All notable changes to this project will be documented in this file. The format
 
 ## Table of Contents
 
-- [1.2.4 - 2025-01-30](#124---2025-01-30)
+- [1.2.4 - 2025-06-30](#124---2025-06-30)
 - [1.2.3 - 2025-06-30](#123---2025-06-30)
 - [1.2.2 - 2025-06-27](#122---2025-06-27)
 - [1.2.1 - 2025-06-12](#121---2025-06-12)
@@ -39,10 +39,14 @@ All notable changes to this project will be documented in this file. The format
 - [1.1.0 - 2024-08-19](#110---2024-08-19)
 - [1.0.0 - 2024-06-06](#100---2024-06-06)
 
-## [1.2.4] - 2025-01-30
+## [1.2.4] - 2025-06-30
 
 ### Changed
 - Add context parameter to ChainTracker.IsValidRootForHeight for cancellation/timeout support
+- Update all ChainTracker implementations to take context (WhatsOnChain, HeadersClient, GullibleHeadersClient)
+- Update MerklePath.Verify and VerifyHex to take context
+- Update BEEF.Verify to take context
+- Update spv.Verify and VerifyScripts to take context
 
 ## [1.2.3] - 2025-06-30