chore: prepare release v5.22.1

Author: kangasta

CHANGELOG.md

@@ -5,6 +5,8 @@ See updating [Changelog example here](https://keepachangelog.com/en/1.0.0/)
 
 ## [Unreleased]
 
+## [5.22.1] - 2025-06-05
+
 ### Changed
 
 - Go version bump to 1.24
@@ -956,7 +958,8 @@ Updated upcloud-go-api, added build/CI scripts, and repackaged 0.1.0 as 1.0.0.
 - resource_upcloud_firewall_rule removed and replaced by resource_upcloud_firewall_rules
 - resource_upcloud_zone removed and replaced by zone and zones datasources
 
-[Unreleased]: https://github.com/UpCloudLtd/terraform-provider-upcloud/compare/v5.22.0...HEAD
+[Unreleased]: https://github.com/UpCloudLtd/terraform-provider-upcloud/compare/v5.22.1...HEAD
+[5.22.1]: https://github.com/UpCloudLtd/terraform-provider-upcloud/compare/v5.22.0...v5.22.1
 [5.22.0]: https://github.com/UpCloudLtd/terraform-provider-upcloud/compare/v5.21.0...v5.22.0
 [5.21.0]: https://github.com/UpCloudLtd/terraform-provider-upcloud/compare/v5.20.5...v5.21.0
 [5.20.5]: https://github.com/UpCloudLtd/terraform-provider-upcloud/compare/v5.20.4...v5.20.5