Update CHANGELOG.md for hashicorp#30828

CHANGELOG.md

@@ -191,6 +191,15 @@ NOTES:
 * resource/aws_route: Since `instance_id` can no longer be set in configurations, use `network_interface_id` instead. For example, set `network_interface_id` to `aws_instance.test.primary_network_interface_id`. ([#30804](https://github.com/hashicorp/terraform-provider-aws/issues/30804))
 * resource/aws_route_table: Since `route.*.instance_id` can no longer be set in configurations, use `route.*.network_interface_id` instead. For example, set `network_interface_id` to `aws_instance.test.primary_network_interface_id`. ([#30804](https://github.com/hashicorp/terraform-provider-aws/issues/30804))
 
+BREAKING CHANGES:
+
+* data-source/aws_iam_policy_document: `source_json` and `override_json` have been removed -- use `source_policy_documents` and `override_policy_documents`, respectively, instead ([#30829](https://github.com/hashicorp/terraform-provider-aws/issues/30829))
+* resource/aws_autoscaling_attachment: `alb_target_group_arn` has been removed -- use `lb_target_group_arn` instead ([#30828](https://github.com/hashicorp/terraform-provider-aws/issues/30828))
+
+NOTES:
+
+* resource/aws_autoscaling_attachment: Update configurations to use `lb_target_group_arn` instead of `alb_target_group_arn` which has been removed ([#30828](https://github.com/hashicorp/terraform-provider-aws/issues/30828))
+
 FEATURES:
 
 * **New Data Source:** `aws_dms_endpoint` ([#30717](https://github.com/hashicorp/terraform-provider-aws/issues/30717))