Update changelog

Author: chipshort

CHANGELOG.md

@@ -6,6 +6,8 @@ and this project adheres to
 
 ## [Unreleased]
 
+## [1.5.2] - 2024-01-15
+
 ### Fixed
 
 - cosmwasm-vm: Fix memory increase issue (1.3 -> 1.4 regression) by avoiding the
@@ -610,7 +612,8 @@ and this project adheres to
 The CHANGELOG for versions before 1.0.0 was moved to
 [CHANGELOG-pre1.0.0.md](./CHANGELOG-pre1.0.0.md).
 
-[unreleased]: https://github.com/CosmWasm/cosmwasm/compare/v1.5.1...HEAD
+[unreleased]: https://github.com/CosmWasm/cosmwasm/compare/v1.5.2...HEAD
+[1.5.2]: https://github.com/CosmWasm/cosmwasm/compare/v1.5.1...v1.5.2
 [1.5.1]: https://github.com/CosmWasm/cosmwasm/compare/v1.5.0...v1.5.1
 [1.5.0]: https://github.com/CosmWasm/cosmwasm/compare/v1.4.1...v1.5.0
 [1.4.1]: https://github.com/CosmWasm/cosmwasm/compare/v1.4.0...v1.4.1