Release v0.20.3 (#191)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.20.3] - 2022-12-22
+
 ### Added
 
 - Add cluster base domain to no proxy config.
@@ -401,7 +403,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [0.1.0] - 2022-02-25
 
-[Unreleased]: https://github.com/giantswarm/cluster-aws/compare/v0.20.2...HEAD
+[Unreleased]: https://github.com/giantswarm/cluster-aws/compare/v0.20.3...HEAD
+[0.20.3]: https://github.com/giantswarm/cluster-aws/compare/v0.20.2...v0.20.3
 [0.20.2]: https://github.com/giantswarm/cluster-aws/compare/v0.20.1...v0.20.2
 [0.20.1]: https://github.com/giantswarm/cluster-aws/compare/v0.20.0...v0.20.1
 [0.20.0]: https://github.com/giantswarm/cluster-aws/compare/v0.19.0...v0.20.0