message: set next version number to changelog
diff: @@ -7,7 +7,7 @@ All notable changes to this project will be documented in this file.
  The format is based on [Keep a Changelog](https://keepachangelog.com/),
  and this project adheres to [Semantic Versioning](https://semver.org/).
  -## [Unreleased]
  +## [1.13.0] - Unreleased
  ### Added
  - New method `Server.stop()` to close the local server [#296].
  - The `src` property of pages and folders includes now the `slug` value [#278].
  @@ -1878,7 +1878,7 @@ The first version.
  [#293]: https://github.com/lumeland/lume/issues/293
  [#296]: https://github.com/lumeland/lume/issues/296
  -[Unreleased]: https://github.com/lumeland/lume/compare/v1.12.1...HEAD
  +[1.13.0]: https://github.com/lumeland/lume/compare/v1.12.1...HEAD
  [1.12.1]: https://github.com/lumeland/lume/compare/v1.12.0...v1.12.1
  [1.12.0]: https://github.com/lumeland/lume/compare/v1.11.4...v1.12.0
  [1.11.4]: https://github.com/lumeland/lume/compare/v1.11.3...v1.11.4
  