docs(changelog): add missing link
@@ -698,6 +698,7 @@ task::blocking(async {
- Initial beta release
[Unreleased]: https://github.com/async-rs/async-std/compare/v1.5.0...HEAD
+[1.6.0-beta.1]: https://github.com/async-rs/async-std/compare/v1.4.0...v1.6.0-beta.1
[1.5.0]: https://github.com/async-rs/async-std/compare/v1.4.0...v1.5.0
[1.4.0]: https://github.com/async-rs/async-std/compare/v1.3.0...v1.4.0
[1.3.0]: https://github.com/async-rs/async-std/compare/v1.2.0...v1.3.0
