update: changelog

CHANGELOG.md

@@ -1,11 +1,6 @@
 ### Added
 
-- [SwiftLint](https://github.com/realm/SwiftLint) with a .swiftlint.yml file. lint checks are done on CI
-- `Sendable` conformance to `Version` to satisfy build warnings when complete concurrency checks are enabled
-- [SwiftFormat](https://github.com/nicklockwood/SwiftFormat/tree/main) with a format file. lint checks are done on CI
-
-### Removed
-
-- support for swift 5.7 and 5.8 on CI
+- Dependabot for checking `gihub-actions` updates
+- Support for VisionOS
 
 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).