chore: update changelog v0.9.3

CHANGELOG.md

@@ -6,15 +6,22 @@
 
 ## [Unreleased]
 ### Added
-- Docker build workflow for arm64 images [PR](https://github.com/cashubtc/cdk/pull/770) ([asmo]).
 - SignatoryManager service [PR](https://github.com/cashubtc/cdk/pull/509) ([crodas]).
 - Mint URL flag option [PR](https://github.com/cashubtc/cdk/pull/765) ([thesimplekid]).
 - Export NUT-06 supported settings field [PR](https://github.com/cashubtc/cdk/pull/764) ([davidcaseria]).
+- Docker build workflow for arm64 images [PR](https://github.com/cashubtc/cdk/pull/770) ([asmo]).
 
 ### Changed
-- Updated Nix flake to 25.05 and removed Nix cache [PR](https://github.com/cashubtc/cdk/pull/769) ([thesimplekid]).
 - Updated dependencies [PR](https://github.com/cashubtc/cdk/pull/761) ([thesimplekid]).
 - Refactored NUT-04 and NUT-05 [PR](https://github.com/cashubtc/cdk/pull/749) ([thesimplekid]).
+- Updated Nix flake to 25.05 and removed Nix cache [PR](https://github.com/cashubtc/cdk/pull/769) ([thesimplekid]).
+
+## [0.9.3]
+### Changed
+- Melt will perform swap before attempting to melt if exact amount is not available [PR](https://github.com/cashubtc/cdk/pull/793) ([crodas]).
+
+### Fixed
+- Handle old nut15 format to keep compatibility with older nutshell version [PR](https://github.com/cashubtc/cdk/pull/794) ([thesimplekid]).
 
 ## [0.9.2](https://github.com/cashubtc/cdk/releases/tag/v0.9.2)
 ### Added