Update CHANGELOG.md format (#31)

This now matches what Vello is doing.

CHANGELOG.md

@@ -8,11 +8,11 @@ Subheadings to categorize changes are `added, changed, deprecated, removed, fixe
 
 -->
 
-## Unreleased
+## [Unreleased]
 
 This release has an [MSRV][] of 1.75.
 
-## 0.3.0
+## [0.3.0]  - 2024-07-04
 
 This release has an [MSRV][] of 1.75.
 
@@ -30,23 +30,36 @@ This release has an [MSRV][] of 1.75.
 
 - All code and related profiling (`wgpu_profiler`) used in examples.
 
-## 0.2.0
+## [0.2.0] - 2024-05-26
 
 This release has an [MSRV][] of 1.75.
 
 ### Changed
 
-- Disable `vello`'s default `wgpu` feature, and provide a `wgpu` passthrough feature to turn it back on. ([#17](https://github.com/linebender/velato/pull/17))
+- Disable `vello`'s default `wgpu` feature, and provide a `wgpu` passthrough feature to turn it back on. ([#17] by [@MarijnS95])
 
 ### Fixed
 
-- Image viewBox clipping is now applied to the animation ([#16](https://github.com/linebender/velato/pull/16))
-- Errors that may occur on parsing a lottie composition are now public as `VelatoError`. ([#19](https://github.com/linebender/velato/pull/19))
+- Image viewBox clipping is now applied to the animation ([#16] by [@luke1188])
+- Errors that may occur on parsing a lottie composition are now public as `VelatoError`. ([#19] by [@simbleau])
 
-## 0.1.0 (2024-03-26)
+## [0.1.0] - 2024-03-26
 
 This release has an [MSRV][] of 1.75.
 
 - Initial release
 
+[@luke1188]: https://github.com/luke1188
+[@MarijnS95]: https://github.com/MarijnS95
+[@simbleau]: https://github.com/simbleau
+
+[#16]: https://github.com/linebender/velato/pull/16
+[#17]: https://github.com/linebender/velato/pull/17
+[#19]: https://github.com/linebender/velato/pull/19
+
+[Unreleased]: https://github.com/linebender/velato/compare/v0.3.0...HEAD
+[0.3.0]: https://github.com/linebender/velato/compare/v0.2.0...v0.3.0
+[0.2.0]: https://github.com/linebender/velato/compare/v0.1.0...v0.2.0
+[0.1.0]: https://github.com/linebender/velato/releases/tag/v0.1.0
+
 [MSRV]: README.md#minimum-supported-rust-version-msrv