Update CHANGELOG.md

Author: Heshercat

CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [3.4.0] - 2025-07-11
+
 ### Added
 
 - `scalr_provider_configuration.aws`: new attribute `default_tags` ([#432](https://github.com/Scalr/terraform-provider-scalr/pull/432))
@@ -15,6 +17,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - `scalr_agent_pool`: attribute `account_id` is deprecated and will be removed in the next major version ([#429](https://github.com/Scalr/terraform-provider-scalr/pull/429))
 
+### Required
+
+- scalr-server >= 8.215.0
+
 ## [3.3.0] - 2025-06-20
 
 ### Added
@@ -1034,7 +1040,8 @@ Requires Scalr 8.0.1-beta.20200625 at least
 
 - Initial release.
 
-[Unreleased]: https://github.com/Scalr/terraform-provider-scalr/compare/v3.3.0...HEAD
+[Unreleased]: https://github.com/Scalr/terraform-provider-scalr/compare/v3.4.0...HEAD
+[3.4.0]: https://github.com/Scalr/terraform-provider-scalr/releases/tag/v3.4.0
 [3.3.0]: https://github.com/Scalr/terraform-provider-scalr/releases/tag/v3.3.0
 [3.2.0]: https://github.com/Scalr/terraform-provider-scalr/releases/tag/v3.2.0
 [3.1.0]: https://github.com/Scalr/terraform-provider-scalr/releases/tag/v3.1.0