chore: prepare release 0.2.0 (#19)

Author: kangasta

CHANGELOG.md

@@ -5,6 +5,8 @@ See updating [Changelog example here](https://keepachangelog.com/en/1.0.0/)
 
 ## [Unreleased]
 
+## [0.2.0]
+
 ### Added
 
 - objsto_bucket_cors_configuration resource for configuring CORS settings for buckets.
@@ -21,6 +23,7 @@ See updating [Changelog example here](https://keepachangelog.com/en/1.0.0/)
 
 - Minimal implementation of bucket, bucket policy, bucket lifecycle configuration, and object resources.
 
-[Unreleased]: https://github.com/UpCloudLtd/terraform-provider-upcloud/compare/v0.1.1...HEAD
+[Unreleased]: https://github.com/UpCloudLtd/terraform-provider-upcloud/compare/v0.2.0...HEAD
+[0.2.0]: https://github.com/UpCloudLtd/terraform-provider-upcloud/compare/v0.1.1...v0.2.0
 [0.1.1]: https://github.com/UpCloudLtd/terraform-provider-upcloud/compare/v0.1.0...v0.1.1
 [0.1.0]: https://github.com/UpCloudLtd/terraform-provider-upcloud/releases/tag/v0.1.0