Update CHANGELOG.md for #31140

CHANGELOG.md

@@ -11,6 +11,7 @@ BREAKING CHANGES:
 * data-source/aws_launch_configuration: With the retirement of EC2-Classic the `vpc_classic_link_id` and `vpc_classic_link_security_groups` attributes have been removed ([#30966](https://github.com/hashicorp/terraform-provider-aws/issues/30966))
 * data-source/aws_redshift_cluster: With the retirement of EC2-Classic the `cluster_security_groups` attribute has been removed ([#30966](https://github.com/hashicorp/terraform-provider-aws/issues/30966))
 * data-source/aws_vpc_peering_connection: With the retirement of EC2-Classic the `allow_classic_link_to_remote_vpc` and `allow_vpc_to_remote_classic_link` attributes have been removed ([#30966](https://github.com/hashicorp/terraform-provider-aws/issues/30966))
+* provider: The `aws_subnet_ids` data source has been removed ([#31140](https://github.com/hashicorp/terraform-provider-aws/issues/31140))
 * provider: With the retirement of EC2-Classic the `aws_db_security_group` resource has been removed ([#30966](https://github.com/hashicorp/terraform-provider-aws/issues/30966))
 * provider: With the retirement of EC2-Classic the `aws_elasticache_security_group` resource has been removed ([#30966](https://github.com/hashicorp/terraform-provider-aws/issues/30966))
 * provider: With the retirement of EC2-Classic the `aws_redshift_security_group` resource has been removed ([#30966](https://github.com/hashicorp/terraform-provider-aws/issues/30966))
@@ -22,6 +23,7 @@ BREAKING CHANGES:
 * resource/aws_autoscaling_group: Remove deprecated `tags` attribute ([#30842](https://github.com/hashicorp/terraform-provider-aws/issues/30842))
 * resource/aws_db_instance: With the retirement of EC2-Classic the `security_group_names` attribute has been removed ([#30966](https://github.com/hashicorp/terraform-provider-aws/issues/30966))
 * resource/aws_default_vpc: With the retirement of EC2-Classic the `enable_classiclink` and `enable_classiclink_dns_support` attributes have been removed ([#30966](https://github.com/hashicorp/terraform-provider-aws/issues/30966))
+* resource/aws_dms_endpoint: `s3_settings.ignore_headers_row` has been removed ([#30452](https://github.com/hashicorp/terraform-provider-aws/issues/30452))
 * resource/aws_docdb_cluster: `snapshot_identifier` change now properly forces replacement ([#29409](https://github.com/hashicorp/terraform-provider-aws/issues/29409))
 * resource/aws_eip: With the retirement of EC2-Classic the `standard` domain is no longer supported ([#30966](https://github.com/hashicorp/terraform-provider-aws/issues/30966))
 * resource/aws_eip_association: With the retirement of EC2-Classic the `standard` domain is no longer supported ([#30966](https://github.com/hashicorp/terraform-provider-aws/issues/30966))