chore: update CHANGELOG to include new version

Author: falko17

CHANGELOG.md

@@ -4,6 +4,13 @@ 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).
 
+## 0.1.1 --- 2023-07-08
+- Updated Dart SDK version constraints to include Dart 3.0.
+- Includes changes from #1 (thanks, @JKRhb!)
+    - Updated `cbor` dependency to 6.0.0.
+    - Replaced deprecated linting rules.
+    - Added GitHub Actions workflow.
+
 ## 0.1.0 --- 2022-05-12
 
 ### Changed