chore: prepare release v3.23.0 (#535)

Author: kangasta

CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [3.23.0] - 2025-09-12
+
 ### Added
 
 - Support certificate-bundle resources in `all list` and `all purge` commands.
@@ -615,7 +617,8 @@ Initial public beta release :tada:
 ### Added
 - Current feature set added! First internal release
 
-[Unreleased]: https://github.com/UpCloudLtd/upcloud-cli/compare/v3.22.0...HEAD
+[Unreleased]: https://github.com/UpCloudLtd/upcloud-cli/compare/v3.23.0...HEAD
+[3.23.0]: https://github.com/UpCloudLtd/upcloud-cli/compare/v3.22.0...v3.23.0
 [3.22.0]: https://github.com/UpCloudLtd/upcloud-cli/compare/v3.21.0...v3.22.0
 [3.21.0]: https://github.com/UpCloudLtd/upcloud-cli/compare/v3.20.2...v3.21.0
 [3.20.2]: https://github.com/UpCloudLtd/upcloud-cli/compare/v3.20.1...v3.20.2