Update features/src/terraform/CHANGELOG.md

Co-authored-by: Jacob Woffenden <jacob.woffenden@digital.justice.gov.uk>
Signed-off-by: Gary <26419401+Gary-H9@users.noreply.github.com>

Author: Gary-H9

features/src/terraform/CHANGELOG.md

@@ -8,7 +8,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
-## [1.1.0] - 2024-05-13
+## [1.1.0] - 2024-08-22
 
 ### Changed