Update CHANGELOG.md

Author: tommy-gilligan

CHANGELOG.md

@@ -8,9 +8,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 ## [Unreleased]
 
 ### Changed
-- Updated to `embedded-hal` `1.0.0-rc.2` release ([API changes](https://github.com/rust-embedded/embedded-hal/blob/master/embedded-hal/CHANGELOG.md#v100-rc2---2023-11-28))
-- Updated to `embedded-hal-nb` `1.0.0-rc.2` release ([API changes](https://github.com/rust-embedded/embedded-hal/blob/master/embedded-hal-nb/CHANGELOG.md#v100-rc2---2023-11-28))
-
+- Updated to `embedded-hal` `1.0.0-rc.3` release ([API changes](https://github.com/rust-embedded/embedded-hal/blob/master/embedded-hal/CHANGELOG.md#v100-rc3---2023-12-14))
+- Updated to `embedded-hal-nb` `1.0.0-rc.3` release ([API changes](https://github.com/rust-embedded/embedded-hal/blob/master/embedded-hal-nb/CHANGELOG.md#v100-rc3---2023-12-14))
 
 ## [v0.4.0-alpha.4] - 2023-11-10