Release v4.2.0 (#510)

Co-authored-by: github-actions <[email protected]>

CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [4.2.0] - 2021-08-24
+
 ### Changed
 
 - Update `nginx-ingress-controller` to v0.33.0.
@@ -286,7 +288,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Add github release workflows.
 
-[Unreleased]: https://github.com/giantswarm/giantnetes-terraform/compare/v4.1.0...HEAD
+[Unreleased]: https://github.com/giantswarm/giantnetes-terraform/compare/v4.2.0...HEAD
+[4.2.0]: https://github.com/giantswarm/giantnetes-terraform/compare/v4.1.0...v4.2.0
 [4.1.0]: https://github.com/giantswarm/giantnetes-terraform/compare/v4.0.1...v4.1.0
 [4.0.1]: https://github.com/giantswarm/giantnetes-terraform/compare/v4.0.0...v4.0.1
 [4.0.0]: https://github.com/giantswarm/giantnetes-terraform/compare/v3.6.0...v4.0.0