Update CHANGELOG.md for #30828

Author: changelogbot

CHANGELOG.md

@@ -33,6 +33,15 @@ 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))
 
+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))