Bump version to v0.10.3.

CHANGELOG.md

@@ -10,6 +10,13 @@ The format is based on [Keep a Changelog], and this project adheres to
 [Keep a Changelog]: https://keepachangelog.com/en/1.0.0/
 [Semantic Versioning]: https://semver.org/spec/v2.0.0.html
 
+## [0.10.3] - 2024-08-21
+
+### Added
+
+- Added the `enginetest/stubs` package as a replacement for the deprecated
+  `github.com/dogmatiq/dogma/fixtures` package.
+
 ## [0.10.2] - 2024-04-08
 
 ### Added
@@ -41,6 +48,7 @@ The format is based on [Keep a Changelog], and this project adheres to
 [0.10.0]: https://github.com/dogmatiq/enginekit/releases/v0.10.0
 [0.10.1]: https://github.com/dogmatiq/enginekit/releases/v0.10.1
 [0.10.2]: https://github.com/dogmatiq/enginekit/releases/v0.10.2
+[0.10.3]: https://github.com/dogmatiq/enginekit/releases/v0.10.3
 
 <!-- version template
 ## [0.0.1] - YYYY-MM-DD