chore: prepare v3.15.0 release (#380)

Author: paketeserrano

CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [3.15.0] - 2025-02-26
+
 ### Added
 
 - Added support for Valkey properties
@@ -499,7 +501,8 @@ Initial public beta release :tada:
 ### Added
 - Current feature set added! First internal release
 
-[Unreleased]: https://github.com/UpCloudLtd/upcloud-cli/compare/v3.14.0...HEAD
+[Unreleased]: https://github.com/UpCloudLtd/upcloud-cli/compare/v3.15.0...HEAD
+[3.15.0]: https://github.com/UpCloudLtd/upcloud-cli/compare/v3.14.0...v3.15.0
 [3.14.0]: https://github.com/UpCloudLtd/upcloud-cli/compare/v3.13.0...v3.14.0
 [3.13.0]: https://github.com/UpCloudLtd/upcloud-cli/compare/v3.12.0...v3.13.0
 [3.12.0]: https://github.com/UpCloudLtd/upcloud-cli/compare/v3.11.1...v3.12.0