chore: prepare release v1.2.0

Author: m0wer

CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.2.0] - 2026-04-30
+
 ### Fixed
 
 - **Preserve earliest `last_start_height` across incremental rescans.**
@@ -307,7 +309,8 @@ Existing deployments that relied on unauthenticated plain HTTP access will break
 - RESTful JSON API
 - Configurable via CLI flags or environment variables
 
-[Unreleased]: https://github.com/m0wer/neutrino-api/compare/v1.1.0...HEAD
+[Unreleased]: https://github.com/m0wer/neutrino-api/compare/v1.2.0...HEAD
+[1.2.0]: https://github.com/m0wer/neutrino-api/compare/v1.1.0...v1.2.0
 [1.1.0]: https://github.com/m0wer/neutrino-api/compare/v1.0.1...v1.1.0
 [1.0.1]: https://github.com/m0wer/neutrino-api/compare/v1.0.0...v1.0.1
 [1.0.0]: https://github.com/m0wer/neutrino-api/compare/v0.10.0...v1.0.0