CHANGELOG entry

Author: nehresma

CHANGELOG.md

@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+### Added
+- Support for BYSETPOS with all rule frequencies (yearly, monthly, weekly, daily, hourly, minutely, secondly). ([#449](https://github.com/ice-cube-ruby/ice_cube/pull/449)) by [@nehresma](https://github.com/nehresma) and [@NicolasMarlier](https://github.com/NicolasMarlier)
+
 ## [0.17.0] - 2024-07-18
 ### Added
 - Indonesian translations. ([#505](https://github.com/seejohnrun/ice_cube/pull/505)) by [@achmiral](https://github.com/achmiral)