CHANGELOG: update

Author: newAM

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]
+### Changed
+- Chip select is deasserted on SPI bus initialization.
+
 ## [0.23.2] - 2025-06-01
 ### Fixed
 - Fixed SPI SCLK pin states for the `ClockData::MsbPosIn` and `ClockData::LsbPosIn` SPI modes.