Prepare changelog for 3.0.0

CHANGELOG.md

@@ -10,11 +10,13 @@ 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).
 
-## [Unreleased]
+
+## [3.0.0] - 2024-06-08
 
 ### Changed
 
 - **BREAKING:** This project will be licensed under the AGPL-3.0-or-later license going forward.
+- Dependency updates
 
 ## [2.0.0] - 2023-03-29
 
@@ -114,7 +116,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - An implementation of `Collectable`.
 - An implementation of `Enumerable`.
 
-[Unreleased]: https://github.com/Cantido/int_set/compare/v2.0.0...HEAD
+[Unreleased]: https://github.com/Cantido/int_set/compare/v3.0.0...HEAD
+[3.0.0]: https://github.com/Cantido/int_set/compare/v2.0.0...v3.0.0
 [2.0.0]: https://github.com/Cantido/int_set/compare/v1.5.2...v2.0.0
 [1.5.2]: https://github.com/Cantido/int_set/compare/v1.5.1...v1.5.2
 [1.5.1]: https://github.com/Cantido/int_set/compare/v1.5.0...v1.5.1